66921603

素因数分解:

$3^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{1889}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 104282640

約数和(自身を除く): 37361037

約数列:

[1, 3, 7, 21, 49, 147, 241, 723, 1687, 1889, 5061, 5667, 11809, 13223, 35427, 39669, 92561, 277683, 455249, 1365747, 3186743, 9560229, 22307201, 66921603]

約数ペア:

[(1, 66921603), (3, 22307201), (7, 9560229), (21, 3186743), (49, 1365747), (147, 455249), (241, 277683), (723, 92561), (1687, 39669), (1889, 35427), (5061, 13223), (5667, 11809)]