2080557405

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1491439}}^1$

素因数の和:1491481

約数の個数: 24

約数和(自身を含む): 3722634240

約数和(自身を除く): 1642076835

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 1491439, 4474317, 7457195, 13422951, 22371585, 46234609, 67114755, 138703827, 231173045, 416111481, 693519135, 2080557405]

約数ペア:

[(1, 2080557405), (3, 693519135), (5, 416111481), (9, 231173045), (15, 138703827), (31, 67114755), (45, 46234609), (93, 22371585), (155, 13422951), (279, 7457195), (465, 4474317), (1395, 1491439)]