78130941

素因数分解:

$3^1\times 7^4\times {\mathrm{10847}}^1$

素因数の和:10878

約数の個数: 20

約数和(自身を含む): 121540992

約数和(自身を除く): 43410051

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 2401, 7203, 10847, 32541, 75929, 227787, 531503, 1594509, 3720521, 11161563, 26043647, 78130941]

約数ペア:

[(1, 78130941), (3, 26043647), (7, 11161563), (21, 3720521), (49, 1594509), (147, 531503), (343, 227787), (1029, 75929), (2401, 32541), (7203, 10847)]