25197123

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 40089600

約数和(自身を除く): 14892477

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 521, 987, 1029, 1563, 2303, 3647, 6909, 10941, 16121, 24487, 25529, 48363, 73461, 76587, 171409, 178703, 514227, 536109, 1199863, 3599589, 8399041, 25197123]

約数ペア:

[(1, 25197123), (3, 8399041), (7, 3599589), (21, 1199863), (47, 536109), (49, 514227), (141, 178703), (147, 171409), (329, 76587), (343, 73461), (521, 48363), (987, 25529), (1029, 24487), (1563, 16121), (2303, 10941), (3647, 6909)]