397627839

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{110729}}^1$

素因数の和:110764

約数の個数: 32

約数和(自身を含む): 708672000

約数和(自身を除く): 311044161

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 110729, 332187, 775103, 996561, 2103851, 2325309, 2989683, 6311553, 6975927, 14726957, 18934659, 20927781, 44180871, 56803977, 132542613, 397627839]

約数ペア:

[(1, 397627839), (3, 132542613), (7, 56803977), (9, 44180871), (19, 20927781), (21, 18934659), (27, 14726957), (57, 6975927), (63, 6311553), (133, 2989683), (171, 2325309), (189, 2103851), (399, 996561), (513, 775103), (1197, 332187), (3591, 110729)]