87432891

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{320267}}^1$

素因数の和:320290

約数の個数: 16

約数和(自身を含む): 143480064

約数和(自身を除く): 56047173

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 320267, 960801, 2241869, 4163471, 6725607, 12490413, 29144297, 87432891]

約数ペア:

[(1, 87432891), (3, 29144297), (7, 12490413), (13, 6725607), (21, 4163471), (39, 2241869), (91, 960801), (273, 320267)]