81720342

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1061}}^1$

素因数の和:1469

約数の個数: 48

約数和(自身を含む): 193836240

約数和(自身を除く): 112115898

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 389, 778, 1061, 1167, 2122, 2334, 3183, 3501, 4279, 6366, 7002, 8558, 9549, 11671, 12837, 19098, 23342, 25674, 35013, 38511, 70026, 77022, 105039, 210078, 412729, 825458, 1238187, 2476374, 3714561, 4540019, 7429122, 9080038, 13620057, 27240114, 40860171, 81720342]

約数ペア:

[(1, 81720342), (2, 40860171), (3, 27240114), (6, 13620057), (9, 9080038), (11, 7429122), (18, 4540019), (22, 3714561), (33, 2476374), (66, 1238187), (99, 825458), (198, 412729), (389, 210078), (778, 105039), (1061, 77022), (1167, 70026), (2122, 38511), (2334, 35013), (3183, 25674), (3501, 23342), (4279, 19098), (6366, 12837), (7002, 11671), (8558, 9549)]