1216474605

素因数分解:

$3^4\times 5^1\times {\mathrm{3003641}}^1$

素因数の和:3003658

約数の個数: 20

約数和(自身を含む): 2180644092

約数和(自身を除く): 964169487

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3003641, 9010923, 15018205, 27032769, 45054615, 81098307, 135163845, 243294921, 405491535, 1216474605]

約数ペア:

[(1, 1216474605), (3, 405491535), (5, 243294921), (9, 135163845), (15, 81098307), (27, 45054615), (45, 27032769), (81, 15018205), (135, 9010923), (405, 3003641)]