90231001

素因数分解:

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

素因数の和:178

約数の個数: 27

約数和(自身を含む): 111615861

約数和(自身を除く): 21384860

約数列:

[1, 7, 23, 49, 59, 161, 413, 529, 1127, 1357, 2891, 3481, 3703, 9499, 24367, 25921, 31211, 66493, 80063, 170569, 218477, 560441, 1529339, 1841449, 3923087, 12890143, 90231001]

約数ペア:

[(1, 90231001), (7, 12890143), (23, 3923087), (49, 1841449), (59, 1529339), (161, 560441), (413, 218477), (529, 170569), (1127, 80063), (1357, 66493), (2891, 31211), (3481, 25921), (3703, 24367)]