28570563

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1229}}^1$

素因数の和:1289

約数の個数: 40

約数和(自身を含む): 50006880

約数和(自身を除く): 21436317

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 861, 1107, 1229, 2583, 3321, 3687, 7749, 8603, 11061, 23247, 25809, 33183, 50389, 77427, 99549, 151167, 232281, 352723, 453501, 696843, 1058169, 1360503, 3174507, 4081509, 9523521, 28570563]

約数ペア:

[(1, 28570563), (3, 9523521), (7, 4081509), (9, 3174507), (21, 1360503), (27, 1058169), (41, 696843), (63, 453501), (81, 352723), (123, 232281), (189, 151167), (287, 99549), (369, 77427), (567, 50389), (861, 33183), (1107, 25809), (1229, 23247), (2583, 11061), (3321, 8603), (3687, 7749)]