18215415

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7937}}^1$

素因数の和:7968

約数の個数: 32

約数和(自身を含む): 34292160

約数和(自身を除く): 16076745

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 2295, 7937, 23811, 39685, 71433, 119055, 134929, 214299, 357165, 404787, 674645, 1071495, 1214361, 2023935, 3643083, 6071805, 18215415]

約数ペア:

[(1, 18215415), (3, 6071805), (5, 3643083), (9, 2023935), (15, 1214361), (17, 1071495), (27, 674645), (45, 404787), (51, 357165), (85, 214299), (135, 134929), (153, 119055), (255, 71433), (459, 39685), (765, 23811), (2295, 7937)]