28678767

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{25357}}^1$

素因数の和:25402

約数の個数: 16

約数和(自身を含む): 42601440

約数和(自身を除く): 13922673

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 25357, 76071, 329641, 735353, 988923, 2206059, 9559589, 28678767]

約数ペア:

[(1, 28678767), (3, 9559589), (13, 2206059), (29, 988923), (39, 735353), (87, 329641), (377, 76071), (1131, 25357)]