15506491

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2213}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 21201264

約数和(自身を除く): 5694773

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 2213, 7007, 15491, 24343, 28769, 108437, 170401, 201383, 316459, 1192807, 1409681, 2215213, 15506491]

約数ペア:

[(1, 15506491), (7, 2215213), (11, 1409681), (13, 1192807), (49, 316459), (77, 201383), (91, 170401), (143, 108437), (539, 28769), (637, 24343), (1001, 15491), (2213, 7007)]