2807685

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 4983264

約数和(自身を除く): 2175579

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1451, 1935, 4353, 7255, 13059, 21765, 62393, 65295, 187179, 311965, 561537, 935895, 2807685]

約数ペア:

[(1, 2807685), (3, 935895), (5, 561537), (9, 311965), (15, 187179), (43, 65295), (45, 62393), (129, 21765), (215, 13059), (387, 7255), (645, 4353), (1451, 1935)]