31185217

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 7982783

約数列:

[1, 7, 23, 49, 59, 67, 161, 343, 413, 469, 1127, 1357, 1541, 2891, 3283, 3953, 7889, 9499, 10787, 20237, 22981, 27671, 66493, 75509, 90919, 193697, 465451, 528563, 636433, 1355879, 4455031, 31185217]

約数ペア:

[(1, 31185217), (7, 4455031), (23, 1355879), (49, 636433), (59, 528563), (67, 465451), (161, 193697), (343, 90919), (413, 75509), (469, 66493), (1127, 27671), (1357, 22981), (1541, 20237), (2891, 10787), (3283, 9499), (3953, 7889)]