2157627825

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{373}}^1\times {\mathrm{547}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 3964591488

約数和(自身を除く): 1806963663

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 373, 423, 547, 705, 1119, 1175, 1641, 1865, 2115, 2735, 3357, 3525, 4923, 5595, 8205, 9325, 10575, 13675, 16785, 17531, 24615, 25709, 27975, 41025, 52593, 77127, 83925, 87655, 123075, 128545, 157779, 204031, 231381, 262965, 385635, 438275, 612093, 642725, 788895, 1020155, 1156905, 1314825, 1836279, 1928175, 3060465, 3944475, 5100775, 5784525, 9181395, 9589457, 15302325, 28768371, 45906975, 47947285, 86305113, 143841855, 239736425, 431525565, 719209275, 2157627825]

約数ペア:

[(1, 2157627825), (3, 719209275), (5, 431525565), (9, 239736425), (15, 143841855), (25, 86305113), (45, 47947285), (47, 45906975), (75, 28768371), (141, 15302325), (225, 9589457), (235, 9181395), (373, 5784525), (423, 5100775), (547, 3944475), (705, 3060465), (1119, 1928175), (1175, 1836279), (1641, 1314825), (1865, 1156905), (2115, 1020155), (2735, 788895), (3357, 642725), (3525, 612093), (4923, 438275), (5595, 385635), (8205, 262965), (9325, 231381), (10575, 204031), (13675, 157779), (16785, 128545), (17531, 123075), (24615, 87655), (25709, 83925), (27975, 77127), (41025, 52593)]