31093515

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16069}}^1$

素因数の和:16123

約数の個数: 24

約数和(自身を含む): 55152240

約数和(自身を除く): 24058725

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 16069, 48207, 80345, 144621, 241035, 690967, 723105, 2072901, 3454835, 6218703, 10364505, 31093515]

約数ペア:

[(1, 31093515), (3, 10364505), (5, 6218703), (9, 3454835), (15, 2072901), (43, 723105), (45, 690967), (129, 241035), (215, 144621), (387, 80345), (645, 48207), (1935, 16069)]