198215511

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{21089}}^1$

素因数の和:21346

約数の個数: 16

約数和(自身を含む): 285811680

約数和(自身を除く): 87596169

約数列:

[1, 3, 13, 39, 241, 723, 3133, 9399, 21089, 63267, 274157, 822471, 5082449, 15247347, 66071837, 198215511]

約数ペア:

[(1, 198215511), (3, 66071837), (13, 15247347), (39, 5082449), (241, 822471), (723, 274157), (3133, 63267), (9399, 21089)]