8380665

素因数分解:

$3^4\times 5^1\times {\mathrm{20693}}^1$

素因数の和:20710

約数の個数: 20

約数和(自身を含む): 15023844

約数和(自身を除く): 6643179

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 20693, 62079, 103465, 186237, 310395, 558711, 931185, 1676133, 2793555, 8380665]

約数ペア:

[(1, 8380665), (3, 2793555), (5, 1676133), (9, 931185), (15, 558711), (27, 310395), (45, 186237), (81, 103465), (135, 62079), (405, 20693)]