639969327

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{349}}^1\times {\mathrm{3041}}^1$

素因数の和:3463

約数の個数: 24

約数和(自身を含む): 941194800

約数和(自身を除く): 301225473

約数列:

[1, 3, 9, 67, 201, 349, 603, 1047, 3041, 3141, 9123, 23383, 27369, 70149, 203747, 210447, 611241, 1061309, 1833723, 3183927, 9551781, 71107703, 213323109, 639969327]

約数ペア:

[(1, 639969327), (3, 213323109), (9, 71107703), (67, 9551781), (201, 3183927), (349, 1833723), (603, 1061309), (1047, 611241), (3041, 210447), (3141, 203747), (9123, 70149), (23383, 27369)]