13212353

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 17492160

約数和(自身を除く): 4279807

約数列:

[1, 7, 11, 19, 77, 121, 133, 209, 821, 847, 1463, 2299, 5747, 9031, 15599, 16093, 63217, 99341, 109193, 171589, 695387, 1201123, 1887479, 13212353]

約数ペア:

[(1, 13212353), (7, 1887479), (11, 1201123), (19, 695387), (77, 171589), (121, 109193), (133, 99341), (209, 63217), (821, 16093), (847, 15599), (1463, 9031), (2299, 5747)]