646195563

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{204557}}^1$

素因数の和:204585

約数の個数: 24

約数和(自身を含む): 1042427568

約数和(自身を除く): 396232005

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 204557, 613671, 1841013, 2659241, 5523039, 7977723, 16569117, 23933169, 49707351, 71799507, 215398521, 646195563]

約数ペア:

[(1, 646195563), (3, 215398521), (9, 71799507), (13, 49707351), (27, 23933169), (39, 16569117), (81, 7977723), (117, 5523039), (243, 2659241), (351, 1841013), (1053, 613671), (3159, 204557)]