25175409

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1109}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 15743631

約数列:

[1, 3, 7, 21, 23, 47, 69, 141, 161, 329, 483, 987, 1081, 1109, 3243, 3327, 7567, 7763, 22701, 23289, 25507, 52123, 76521, 156369, 178549, 364861, 535647, 1094583, 1198829, 3596487, 8391803, 25175409]

約数ペア:

[(1, 25175409), (3, 8391803), (7, 3596487), (21, 1198829), (23, 1094583), (47, 535647), (69, 364861), (141, 178549), (161, 156369), (329, 76521), (483, 52123), (987, 25507), (1081, 23289), (1109, 22701), (3243, 7763), (3327, 7567)]