17728335

素因数分解:

$3^3\times 5^1\times {\mathrm{131321}}^1$

素因数の和:131335

約数の個数: 16

約数和(自身を含む): 31517280

約数和(自身を除く): 13788945

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 131321, 393963, 656605, 1181889, 1969815, 3545667, 5909445, 17728335]

約数ペア:

[(1, 17728335), (3, 5909445), (5, 3545667), (9, 1969815), (15, 1181889), (27, 656605), (45, 393963), (135, 131321)]