47890921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1559}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 55036800

約数和(自身を除く): 7145879

約数列:

[1, 13, 17, 139, 221, 1559, 1807, 2363, 20267, 26503, 30719, 216701, 344539, 2817113, 3683917, 47890921]

約数ペア:

[(1, 47890921), (13, 3683917), (17, 2817113), (139, 344539), (221, 216701), (1559, 30719), (1807, 26503), (2363, 20267)]