90459

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:71

約数の個数: 18

約数和(自身を含む): 143780

約数和(自身を除く): 53321

約数列:

[1, 3, 9, 19, 23, 57, 69, 171, 207, 437, 529, 1311, 1587, 3933, 4761, 10051, 30153, 90459]

約数ペア:

[(1, 90459), (3, 30153), (9, 10051), (19, 4761), (23, 3933), (57, 1587), (69, 1311), (171, 529), (207, 437)]