858889941

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{242009}}^1$

素因数の和:242045

約数の個数: 24

約数和(自身を含む): 1417210560

約数和(自身を除く): 558320619

約数列:

[1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549, 242009, 726027, 1694063, 3146117, 5082189, 9438351, 22022819, 40899521, 66068457, 122698563, 286296647, 858889941]

約数ペア:

[(1, 858889941), (3, 286296647), (7, 122698563), (13, 66068457), (21, 40899521), (39, 22022819), (91, 9438351), (169, 5082189), (273, 3146117), (507, 1694063), (1183, 726027), (3549, 242009)]