42109145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{17509}}^1$

素因数の和:17564

約数の個数: 16

約数和(自身を含む): 55891920

約数和(自身を除く): 13782775

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 17509, 87545, 227617, 647833, 1138085, 3239165, 8421829, 42109145]

約数ペア:

[(1, 42109145), (5, 8421829), (13, 3239165), (37, 1138085), (65, 647833), (185, 227617), (481, 87545), (2405, 17509)]