72247221

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{3701}}^1$

素因数の和:3954

約数の個数: 20

約数和(自身を含む): 108401964

約数和(自身を除く): 36154743

約数列:

[1, 3, 9, 27, 81, 241, 723, 2169, 3701, 6507, 11103, 19521, 33309, 99927, 299781, 891941, 2675823, 8027469, 24082407, 72247221]

約数ペア:

[(1, 72247221), (3, 24082407), (9, 8027469), (27, 2675823), (81, 891941), (241, 299781), (723, 99927), (2169, 33309), (3701, 19521), (6507, 11103)]