202151781

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{191977}}^1$

素因数の和:192002

約数の個数: 20

約数和(自身を含む): 325210732

約数和(自身を除く): 123058951

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 191977, 575931, 1727793, 2495701, 5183379, 7487103, 15550137, 22461309, 67383927, 202151781]

約数ペア:

[(1, 202151781), (3, 67383927), (9, 22461309), (13, 15550137), (27, 7487103), (39, 5183379), (81, 2495701), (117, 1727793), (351, 575931), (1053, 191977)]