66671409

素因数分解:

$3^1\times 7^2\times {\mathrm{647}}^1\times {\mathrm{701}}^1$

素因数の和:1365

約数の個数: 24

約数和(自身を含む): 103716288

約数和(自身を除く): 37044879

約数列:

[1, 3, 7, 21, 49, 147, 647, 701, 1941, 2103, 4529, 4907, 13587, 14721, 31703, 34349, 95109, 103047, 453547, 1360641, 3174829, 9524487, 22223803, 66671409]

約数ペア:

[(1, 66671409), (3, 22223803), (7, 9524487), (21, 3174829), (49, 1360641), (147, 453547), (647, 103047), (701, 95109), (1941, 34349), (2103, 31703), (4529, 14721), (4907, 13587)]