18711691875

素因数分解:

$3^3\times 5^4\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{241}}^1$

素因数の和:420

約数の個数: 160

約数和(自身を含む): 35925500160

約数和(自身を除く): 17213808285

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 107, 125, 129, 135, 215, 225, 241, 321, 375, 387, 535, 625, 645, 675, 723, 963, 1075, 1125, 1161, 1205, 1605, 1875, 1935, 2169, 2675, 2889, 3225, 3375, 3615, 4601, 4815, 5375, 5625, 5805, 6025, 6507, 8025, 9675, 10363, 10845, 13375, 13803, 14445, 16125, 16875, 18075, 23005, 24075, 25787, 26875, 29025, 30125, 31089, 32535, 40125, 41409, 48375, 51815, 54225, 66875, 69015, 72225, 77361, 80625, 90375, 93267, 115025, 120375, 124227, 128935, 145125, 150625, 155445, 162675, 200625, 207045, 232083, 241875, 259075, 271125, 279801, 345075, 361125, 386805, 451875, 466335, 575125, 601875, 621135, 644675, 696249, 725625, 777225, 813375, 1035225, 1108841, 1160415, 1295375, 1355625, 1399005, 1725375, 1805625, 1934025, 2331675, 2875625, 3105675, 3223375, 3326523, 3481245, 3886125, 4066875, 5176125, 5544205, 5802075, 6476875, 6995025, 8626875, 9670125, 9979569, 11658375, 15528375, 16116875, 16632615, 17406225, 19430625, 25880625, 27721025, 29010375, 29938707, 34975125, 48350625, 49897845, 58291875, 77641875, 83163075, 87031125, 138605125, 145051875, 149693535, 174875625, 249489225, 415815375, 435155625, 693025625, 748467675, 1247446125, 2079076875, 3742338375, 6237230625, 18711691875]

約数ペア:

[(1, 18711691875), (3, 6237230625), (5, 3742338375), (9, 2079076875), (15, 1247446125), (25, 748467675), (27, 693025625), (43, 435155625), (45, 415815375), (75, 249489225), (107, 174875625), (125, 149693535), (129, 145051875), (135, 138605125), (215, 87031125), (225, 83163075), (241, 77641875), (321, 58291875), (375, 49897845), (387, 48350625), (535, 34975125), (625, 29938707), (645, 29010375), (675, 27721025), (723, 25880625), (963, 19430625), (1075, 17406225), (1125, 16632615), (1161, 16116875), (1205, 15528375), (1605, 11658375), (1875, 9979569), (1935, 9670125), (2169, 8626875), (2675, 6995025), (2889, 6476875), (3225, 5802075), (3375, 5544205), (3615, 5176125), (4601, 4066875), (4815, 3886125), (5375, 3481245), (5625, 3326523), (5805, 3223375), (6025, 3105675), (6507, 2875625), (8025, 2331675), (9675, 1934025), (10363, 1805625), (10845, 1725375), (13375, 1399005), (13803, 1355625), (14445, 1295375), (16125, 1160415), (16875, 1108841), (18075, 1035225), (23005, 813375), (24075, 777225), (25787, 725625), (26875, 696249), (29025, 644675), (30125, 621135), (31089, 601875), (32535, 575125), (40125, 466335), (41409, 451875), (48375, 386805), (51815, 361125), (54225, 345075), (66875, 279801), (69015, 271125), (72225, 259075), (77361, 241875), (80625, 232083), (90375, 207045), (93267, 200625), (115025, 162675), (120375, 155445), (124227, 150625), (128935, 145125)]