128761503

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{6337}}^1$

素因数の和:6874

約数の個数: 16

約数和(自身を含む): 185272416

約数和(自身を除く): 56510913

約数列:

[1, 3, 13, 39, 521, 1563, 6337, 6773, 19011, 20319, 82381, 247143, 3301577, 9904731, 42920501, 128761503]

約数ペア:

[(1, 128761503), (3, 42920501), (13, 9904731), (39, 3301577), (521, 247143), (1563, 82381), (6337, 20319), (6773, 19011)]