78765729

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{7639}}^1$

素因数の和:8140

約数の個数: 16

約数和(自身を含む): 120284160

約数和(自身を除く): 41518431

約数列:

[1, 3, 7, 21, 491, 1473, 3437, 7639, 10311, 22917, 53473, 160419, 3750749, 11252247, 26255243, 78765729]

約数ペア:

[(1, 78765729), (3, 26255243), (7, 11252247), (21, 3750749), (491, 160419), (1473, 53473), (3437, 22917), (7639, 10311)]