420123393

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{269}}^1\times {\mathrm{1789}}^1$

素因数の和:2161

約数の個数: 24

約数和(自身を含む): 615724200

約数和(自身を除く): 195600807

約数列:

[1, 3, 9, 97, 269, 291, 807, 873, 1789, 2421, 5367, 16101, 26093, 78279, 173533, 234837, 481241, 520599, 1443723, 1561797, 4331169, 46680377, 140041131, 420123393]

約数ペア:

[(1, 420123393), (3, 140041131), (9, 46680377), (97, 4331169), (269, 1561797), (291, 1443723), (807, 520599), (873, 481241), (1789, 234837), (2421, 173533), (5367, 78279), (16101, 26093)]