42721289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3169}}^1$

素因数の和:3260

約数の個数: 16

約数和(自身を含む): 49528080

約数和(自身を除く): 6806791

約数列:

[1, 13, 17, 61, 221, 793, 1037, 3169, 13481, 41197, 53873, 193309, 700349, 2513017, 3286253, 42721289]

約数ペア:

[(1, 42721289), (13, 3286253), (17, 2513017), (61, 700349), (221, 193309), (793, 53873), (1037, 41197), (3169, 13481)]