2772891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{757}}^1$

素因数の和:811

約数の個数: 24

約数和(自身を含む): 4493424

約数和(自身を除く): 1720533

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 757, 1221, 2271, 3663, 6813, 8327, 24981, 28009, 74943, 84027, 252081, 308099, 924297, 2772891]

約数ペア:

[(1, 2772891), (3, 924297), (9, 308099), (11, 252081), (33, 84027), (37, 74943), (99, 28009), (111, 24981), (333, 8327), (407, 6813), (757, 3663), (1221, 2271)]