9907457

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 12312000

約数和(自身を除く): 2404543

約数列:

[1, 7, 23, 49, 59, 149, 161, 413, 1043, 1127, 1357, 2891, 3427, 7301, 8791, 9499, 23989, 61537, 66493, 167923, 202193, 430759, 1415351, 9907457]

約数ペア:

[(1, 9907457), (7, 1415351), (23, 430759), (49, 202193), (59, 167923), (149, 66493), (161, 61537), (413, 23989), (1043, 9499), (1127, 8791), (1357, 7301), (2891, 3427)]