12212123

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 15704640

約数和(自身を除く): 3492517

約数列:

[1, 7, 11, 49, 77, 139, 163, 539, 973, 1141, 1529, 1793, 6811, 7987, 10703, 12551, 22657, 74921, 87857, 158599, 249227, 1110193, 1744589, 12212123]

約数ペア:

[(1, 12212123), (7, 1744589), (11, 1110193), (49, 249227), (77, 158599), (139, 87857), (163, 74921), (539, 22657), (973, 12551), (1141, 10703), (1529, 7987), (1793, 6811)]