1213232715

素因数分解:

$3^3\times 5^1\times {\mathrm{8986909}}^1$

素因数の和:8986923

約数の個数: 16

約数和(自身を含む): 2156858400

約数和(自身を除く): 943625685

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 8986909, 26960727, 44934545, 80882181, 134803635, 242646543, 404410905, 1213232715]

約数ペア:

[(1, 1213232715), (3, 404410905), (5, 242646543), (9, 134803635), (15, 80882181), (27, 44934545), (45, 26960727), (135, 8986909)]