18210015

素因数分解:

$3^4\times 5^1\times {\mathrm{44963}}^1$

素因数の和:44980

約数の個数: 20

約数和(自身を含む): 32643864

約数和(自身を除く): 14433849

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 44963, 134889, 224815, 404667, 674445, 1214001, 2023335, 3642003, 6070005, 18210015]

約数ペア:

[(1, 18210015), (3, 6070005), (5, 3642003), (9, 2023335), (15, 1214001), (27, 674445), (45, 404667), (81, 224815), (135, 134889), (405, 44963)]