19117921875

素因数分解:

$3^1\times 5^6\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:412

約数の個数: 112

約数和(自身を含む): 34715180640

約数和(自身を除く): 15597258765

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 137, 195, 229, 325, 375, 411, 625, 685, 687, 975, 1145, 1625, 1781, 1875, 2055, 2977, 3125, 3425, 3435, 4875, 5343, 5725, 8125, 8905, 8931, 9375, 10275, 14885, 15625, 17125, 17175, 24375, 26715, 28625, 31373, 40625, 44525, 44655, 46875, 51375, 74425, 85625, 85875, 94119, 121875, 133575, 143125, 156865, 203125, 222625, 223275, 256875, 372125, 407849, 428125, 429375, 470595, 609375, 667875, 715625, 784325, 1113125, 1116375, 1223547, 1284375, 1860625, 2039245, 2140625, 2146875, 2352975, 3339375, 3578125, 3921625, 5565625, 5581875, 6117735, 6421875, 9303125, 10196225, 10734375, 11764875, 16696875, 19608125, 27828125, 27909375, 30588675, 46515625, 50981125, 58824375, 83484375, 98040625, 139546875, 152943375, 254905625, 294121875, 490203125, 764716875, 1274528125, 1470609375, 3823584375, 6372640625, 19117921875]

約数ペア:

[(1, 19117921875), (3, 6372640625), (5, 3823584375), (13, 1470609375), (15, 1274528125), (25, 764716875), (39, 490203125), (65, 294121875), (75, 254905625), (125, 152943375), (137, 139546875), (195, 98040625), (229, 83484375), (325, 58824375), (375, 50981125), (411, 46515625), (625, 30588675), (685, 27909375), (687, 27828125), (975, 19608125), (1145, 16696875), (1625, 11764875), (1781, 10734375), (1875, 10196225), (2055, 9303125), (2977, 6421875), (3125, 6117735), (3425, 5581875), (3435, 5565625), (4875, 3921625), (5343, 3578125), (5725, 3339375), (8125, 2352975), (8905, 2146875), (8931, 2140625), (9375, 2039245), (10275, 1860625), (14885, 1284375), (15625, 1223547), (17125, 1116375), (17175, 1113125), (24375, 784325), (26715, 715625), (28625, 667875), (31373, 609375), (40625, 470595), (44525, 429375), (44655, 428125), (46875, 407849), (51375, 372125), (74425, 256875), (85625, 223275), (85875, 222625), (94119, 203125), (121875, 156865), (133575, 143125)]