17996661

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{5167}}^1$

素因数の和:5222

約数の個数: 20

約数和(自身を含む): 27514432

約数和(自身を除く): 9517771

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 5167, 15501, 46503, 139509, 222181, 418527, 666543, 1999629, 5998887, 17996661]

約数ペア:

[(1, 17996661), (3, 5998887), (9, 1999629), (27, 666543), (43, 418527), (81, 222181), (129, 139509), (387, 46503), (1161, 15501), (3483, 5167)]