201391605

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{263257}}^1$

素因数の和:263285

約数の個数: 24

約数和(自身を含む): 369614232

約数和(自身を除く): 168222627

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 263257, 789771, 1316285, 2369313, 3948855, 4475369, 11846565, 13426107, 22376845, 40278321, 67130535, 201391605]

約数ペア:

[(1, 201391605), (3, 67130535), (5, 40278321), (9, 22376845), (15, 13426107), (17, 11846565), (45, 4475369), (51, 3948855), (85, 2369313), (153, 1316285), (255, 789771), (765, 263257)]