27800829

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 48222720

約数和(自身を除く): 20421891

約数列:

[1, 3, 7, 9, 21, 41, 47, 63, 123, 141, 229, 287, 329, 369, 423, 687, 861, 987, 1603, 1927, 2061, 2583, 2961, 4809, 5781, 9389, 10763, 13489, 14427, 17343, 28167, 32289, 40467, 65723, 75341, 84501, 96867, 121401, 197169, 226023, 441283, 591507, 678069, 1323849, 3088981, 3971547, 9266943, 27800829]

約数ペア:

[(1, 27800829), (3, 9266943), (7, 3971547), (9, 3088981), (21, 1323849), (41, 678069), (47, 591507), (63, 441283), (123, 226023), (141, 197169), (229, 121401), (287, 96867), (329, 84501), (369, 75341), (423, 65723), (687, 40467), (861, 32289), (987, 28167), (1603, 17343), (1927, 14427), (2061, 13489), (2583, 10763), (2961, 9389), (4809, 5781)]