28201239

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{2243}}^1$

素因数の和:2387

約数の個数: 24

約数和(自身を含む): 44808192

約数和(自身を除く): 16606953

約数列:

[1, 3, 9, 11, 33, 99, 127, 381, 1143, 1397, 2243, 4191, 6729, 12573, 20187, 24673, 74019, 222057, 284861, 854583, 2563749, 3133471, 9400413, 28201239]

約数ペア:

[(1, 28201239), (3, 9400413), (9, 3133471), (11, 2563749), (33, 854583), (99, 284861), (127, 222057), (381, 74019), (1143, 24673), (1397, 20187), (2243, 12573), (4191, 6729)]