31352165

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1669}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 43065960

約数和(自身を除く): 11713795

約数列:

[1, 5, 13, 17, 65, 85, 221, 289, 1105, 1445, 1669, 3757, 8345, 18785, 21697, 28373, 108485, 141865, 368849, 482341, 1844245, 2411705, 6270433, 31352165]

約数ペア:

[(1, 31352165), (5, 6270433), (13, 2411705), (17, 1844245), (65, 482341), (85, 368849), (221, 141865), (289, 108485), (1105, 28373), (1445, 21697), (1669, 18785), (3757, 8345)]