81682783

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{21893}}^1$

素因数の和:21954

約数の個数: 16

約数和(自身を含む): 102989376

約数和(自身を除く): 21306593

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 21893, 153251, 284609, 897613, 1992263, 6283291, 11668969, 81682783]

約数ペア:

[(1, 81682783), (7, 11668969), (13, 6283291), (41, 1992263), (91, 897613), (287, 284609), (533, 153251), (3731, 21893)]