131438745

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67927}}^1$

素因数の和:67981

約数の個数: 24

約数和(自身を含む): 233128896

約数和(自身を除く): 101690151

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 67927, 203781, 339635, 611343, 1018905, 2920861, 3056715, 8762583, 14604305, 26287749, 43812915, 131438745]

約数ペア:

[(1, 131438745), (3, 43812915), (5, 26287749), (9, 14604305), (15, 8762583), (43, 3056715), (45, 2920861), (129, 1018905), (215, 611343), (387, 339635), (645, 203781), (1935, 67927)]