27820155

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1213}}^1$

素因数の和:1371

約数の個数: 32

約数和(自身を含む): 48948480

約数和(自身を除く): 21128325

約数列:

[1, 3, 5, 11, 15, 33, 55, 139, 165, 417, 695, 1213, 1529, 2085, 3639, 4587, 6065, 7645, 13343, 18195, 22935, 40029, 66715, 168607, 200145, 505821, 843035, 1854677, 2529105, 5564031, 9273385, 27820155]

約数ペア:

[(1, 27820155), (3, 9273385), (5, 5564031), (11, 2529105), (15, 1854677), (33, 843035), (55, 505821), (139, 200145), (165, 168607), (417, 66715), (695, 40029), (1213, 22935), (1529, 18195), (2085, 13343), (3639, 7645), (4587, 6065)]