81304821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{2473}}^1$

素因数の和:2773

約数の個数: 24

約数和(自身を含む): 126975576

約数和(自身を除く): 45670755

約数列:

[1, 3, 9, 13, 39, 117, 281, 843, 2473, 2529, 3653, 7419, 10959, 22257, 32149, 32877, 96447, 289341, 694913, 2084739, 6254217, 9033869, 27101607, 81304821]

約数ペア:

[(1, 81304821), (3, 27101607), (9, 9033869), (13, 6254217), (39, 2084739), (117, 694913), (281, 289341), (843, 96447), (2473, 32877), (2529, 32149), (3653, 22257), (7419, 10959)]