165909121

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{21143}}^1$

素因数の和:21228

約数の個数: 16

約数和(自身を含む): 202982400

約数和(自身を除く): 37073279

約数列:

[1, 7, 19, 59, 133, 413, 1121, 7847, 21143, 148001, 401717, 1247437, 2812019, 8732059, 23701303, 165909121]

約数ペア:

[(1, 165909121), (7, 23701303), (19, 8732059), (59, 2812019), (133, 1247437), (413, 401717), (1121, 148001), (7847, 21143)]