330804145

素因数分解:

$5^1\times 7^2\times {\mathrm{809}}^1\times {\mathrm{1669}}^1$

素因数の和:2497

約数の個数: 24

約数和(自身を含む): 462623400

約数和(自身を除く): 131819255

約数列:

[1, 5, 7, 35, 49, 245, 809, 1669, 4045, 5663, 8345, 11683, 28315, 39641, 58415, 81781, 198205, 408905, 1350221, 6751105, 9451547, 47257735, 66160829, 330804145]

約数ペア:

[(1, 330804145), (5, 66160829), (7, 47257735), (35, 9451547), (49, 6751105), (245, 1350221), (809, 408905), (1669, 198205), (4045, 81781), (5663, 58415), (8345, 39641), (11683, 28315)]