66987333

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{17431}}^1$

素因数の和:17505

約数の個数: 24

約数和(自身を含む): 112401536

約数和(自身を除く): 45414203

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 17431, 52293, 122017, 156879, 366051, 1063291, 1098153, 3189873, 7443037, 9569619, 22329111, 66987333]

約数ペア:

[(1, 66987333), (3, 22329111), (7, 9569619), (9, 7443037), (21, 3189873), (61, 1098153), (63, 1063291), (183, 366051), (427, 156879), (549, 122017), (1281, 52293), (3843, 17431)]