1288322415

素因数分解:

$3^4\times 5^1\times {\mathrm{3181043}}^1$

素因数の和:3181060

約数の個数: 20

約数和(自身を含む): 2309437944

約数和(自身を除く): 1021115529

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 3181043, 9543129, 15905215, 28629387, 47715645, 85888161, 143146935, 257664483, 429440805, 1288322415]

約数ペア:

[(1, 1288322415), (3, 429440805), (5, 257664483), (9, 143146935), (15, 85888161), (27, 47715645), (45, 28629387), (81, 15905215), (135, 9543129), (405, 3181043)]