18568275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 34069248

約数和(自身を除く): 15500973

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 71, 75, 165, 213, 275, 317, 355, 781, 825, 951, 1065, 1585, 1775, 2343, 3487, 3905, 4755, 5325, 7925, 10461, 11715, 17435, 19525, 22507, 23775, 52305, 58575, 67521, 87175, 112535, 247577, 261525, 337605, 562675, 742731, 1237885, 1688025, 3713655, 6189425, 18568275]

約数ペア:

[(1, 18568275), (3, 6189425), (5, 3713655), (11, 1688025), (15, 1237885), (25, 742731), (33, 562675), (55, 337605), (71, 261525), (75, 247577), (165, 112535), (213, 87175), (275, 67521), (317, 58575), (355, 52305), (781, 23775), (825, 22507), (951, 19525), (1065, 17435), (1585, 11715), (1775, 10461), (2343, 7925), (3487, 5325), (3905, 4755)]