639587826

素因数分解:

$2^1\times 3^4\times {\mathrm{3948073}}^1$

素因数の和:3948087

約数の個数: 20

約数和(自身を含む): 1433150862

約数和(自身を除く): 793563036

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 3948073, 7896146, 11844219, 23688438, 35532657, 71065314, 106597971, 213195942, 319793913, 639587826]

約数ペア:

[(1, 639587826), (2, 319793913), (3, 213195942), (6, 106597971), (9, 71065314), (18, 35532657), (27, 23688438), (54, 11844219), (81, 7896146), (162, 3948073)]