201997032111

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139404439}}^1$

素因数の和:139404475

約数の個数: 24

約数和(自身を含む): 347953482240

約数和(自身を除く): 145956450129

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 139404439, 418213317, 975831073, 1254639951, 2927493219, 3206302097, 8782479657, 9618906291, 22444114679, 28856718873, 67332344037, 201997032111]

約数ペア:

[(1, 201997032111), (3, 67332344037), (7, 28856718873), (9, 22444114679), (21, 9618906291), (23, 8782479657), (63, 3206302097), (69, 2927493219), (161, 1254639951), (207, 975831073), (483, 418213317), (1449, 139404439)]