261958521

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{70249}}^1$

素因数の和:70376

約数の個数: 16

約数和(自身を含む): 384408000

約数和(自身を除く): 122449479

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 70249, 210747, 772739, 2318217, 7938137, 23814411, 87319507, 261958521]

約数ペア:

[(1, 261958521), (3, 87319507), (11, 23814411), (33, 7938137), (113, 2318217), (339, 772739), (1243, 210747), (3729, 70249)]