71263521

素因数分解:

$3^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{1637}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 117883584

約数和(自身を除く): 46620063

約数列:

[1, 3, 7, 9, 21, 63, 691, 1637, 2073, 4837, 4911, 6219, 11459, 14511, 14733, 34377, 43533, 103131, 1131167, 3393501, 7918169, 10180503, 23754507, 71263521]

約数ペア:

[(1, 71263521), (3, 23754507), (7, 10180503), (9, 7918169), (21, 3393501), (63, 1131167), (691, 103131), (1637, 43533), (2073, 34377), (4837, 14733), (4911, 14511), (6219, 11459)]