8172927

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:620

約数の個数: 32

約数和(自身を含む): 14031360

約数和(自身を除く): 5858433

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 521, 581, 747, 1563, 1743, 2241, 3647, 4689, 5229, 10941, 14067, 15687, 32823, 43243, 98469, 129729, 302701, 389187, 908103, 1167561, 2724309, 8172927]

約数ペア:

[(1, 8172927), (3, 2724309), (7, 1167561), (9, 908103), (21, 389187), (27, 302701), (63, 129729), (83, 98469), (189, 43243), (249, 32823), (521, 15687), (581, 14067), (747, 10941), (1563, 5229), (1743, 4689), (2241, 3647)]