7971639

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8887}}^1$

素因数の和:8926

約数の個数: 16

約数和(自身を含む): 11945472

約数和(自身を除く): 3973833

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 8887, 26661, 115531, 204401, 346593, 613203, 2657213, 7971639]

約数ペア:

[(1, 7971639), (3, 2657213), (13, 613203), (23, 346593), (39, 204401), (69, 115531), (299, 26661), (897, 8887)]