18268281

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{3911}}^1$

素因数の和:4093

約数の個数: 16

約数和(自身を含む): 27227520

約数和(自身を除く): 8959239

約数列:

[1, 3, 9, 27, 173, 519, 1557, 3911, 4671, 11733, 35199, 105597, 676603, 2029809, 6089427, 18268281]

約数ペア:

[(1, 18268281), (3, 6089427), (9, 2029809), (27, 676603), (173, 105597), (519, 35199), (1557, 11733), (3911, 4671)]