12785985

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1854

約数の個数: 32

約数和(自身を含む): 23172480

約数和(自身を除く): 10386495

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 1787, 2385, 5361, 7155, 8935, 16083, 26805, 48249, 80415, 94711, 241245, 284133, 473555, 852399, 1420665, 2557197, 4261995, 12785985]

約数ペア:

[(1, 12785985), (3, 4261995), (5, 2557197), (9, 1420665), (15, 852399), (27, 473555), (45, 284133), (53, 241245), (135, 94711), (159, 80415), (265, 48249), (477, 26805), (795, 16083), (1431, 8935), (1787, 7155), (2385, 5361)]