304429993

素因数分解:

$7^4\times {\mathrm{103}}^1\times {\mathrm{1231}}^1$

素因数の和:1362

約数の個数: 20

約数和(自身を含む): 358886528

約数和(自身を除く): 54456535

約数列:

[1, 7, 49, 103, 343, 721, 1231, 2401, 5047, 8617, 35329, 60319, 126793, 247303, 422233, 887551, 2955631, 6212857, 43489999, 304429993]

約数ペア:

[(1, 304429993), (7, 43489999), (49, 6212857), (103, 2955631), (343, 887551), (721, 422233), (1231, 247303), (2401, 126793), (5047, 60319), (8617, 35329)]