399289275

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1266

約数の個数: 144

約数和(自身を含む): 939344640

約数和(自身を除く): 540055365

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 25, 33, 35, 45, 55, 57, 63, 75, 77, 95, 99, 105, 133, 165, 171, 175, 209, 225, 231, 275, 285, 315, 385, 399, 475, 495, 525, 627, 665, 693, 825, 855, 1045, 1155, 1197, 1213, 1425, 1463, 1575, 1881, 1925, 1995, 2475, 3135, 3325, 3465, 3639, 4275, 4389, 5225, 5775, 5985, 6065, 7315, 8491, 9405, 9975, 10917, 13167, 13343, 15675, 17325, 18195, 21945, 23047, 25473, 29925, 30325, 36575, 40029, 42455, 47025, 54585, 65835, 66715, 69141, 76419, 90975, 93401, 109725, 115235, 120087, 127365, 161329, 200145, 207423, 212275, 253517, 272925, 280203, 329175, 333575, 345705, 382095, 467005, 483987, 576175, 600435, 636825, 760551, 806645, 840609, 1000725, 1037115, 1267585, 1401015, 1451961, 1728525, 1774619, 1910475, 2281653, 2335025, 2419935, 3002175, 3802755, 4033225, 4203045, 5185575, 5323857, 6337925, 7005075, 7259805, 8873095, 11408265, 12099675, 15971571, 19013775, 21015225, 26619285, 36299025, 44365475, 57041325, 79857855, 133096425, 399289275]

約数ペア:

[(1, 399289275), (3, 133096425), (5, 79857855), (7, 57041325), (9, 44365475), (11, 36299025), (15, 26619285), (19, 21015225), (21, 19013775), (25, 15971571), (33, 12099675), (35, 11408265), (45, 8873095), (55, 7259805), (57, 7005075), (63, 6337925), (75, 5323857), (77, 5185575), (95, 4203045), (99, 4033225), (105, 3802755), (133, 3002175), (165, 2419935), (171, 2335025), (175, 2281653), (209, 1910475), (225, 1774619), (231, 1728525), (275, 1451961), (285, 1401015), (315, 1267585), (385, 1037115), (399, 1000725), (475, 840609), (495, 806645), (525, 760551), (627, 636825), (665, 600435), (693, 576175), (825, 483987), (855, 467005), (1045, 382095), (1155, 345705), (1197, 333575), (1213, 329175), (1425, 280203), (1463, 272925), (1575, 253517), (1881, 212275), (1925, 207423), (1995, 200145), (2475, 161329), (3135, 127365), (3325, 120087), (3465, 115235), (3639, 109725), (4275, 93401), (4389, 90975), (5225, 76419), (5775, 69141), (5985, 66715), (6065, 65835), (7315, 54585), (8491, 47025), (9405, 42455), (9975, 40029), (10917, 36575), (13167, 30325), (13343, 29925), (15675, 25473), (17325, 23047), (18195, 21945)]