15440831

素因数分解:

$7^4\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 20

約数和(自身を含む): 18486600

約数和(自身を除く): 3045769

約数列:

[1, 7, 49, 59, 109, 343, 413, 763, 2401, 2891, 5341, 6431, 20237, 37387, 45017, 141659, 261709, 315119, 2205833, 15440831]

約数ペア:

[(1, 15440831), (7, 2205833), (49, 315119), (59, 261709), (109, 141659), (343, 45017), (413, 37387), (763, 20237), (2401, 6431), (2891, 5341)]