68891805

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{35603}}^1$

素因数の和:35657

約数の個数: 24

約数和(自身を含む): 122192928

約数和(自身を除く): 53301123

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 35603, 106809, 178015, 320427, 534045, 1530929, 1602135, 4592787, 7654645, 13778361, 22963935, 68891805]

約数ペア:

[(1, 68891805), (3, 22963935), (5, 13778361), (9, 7654645), (15, 4592787), (43, 1602135), (45, 1530929), (129, 534045), (215, 320427), (387, 178015), (645, 106809), (1935, 35603)]