1309995

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 2326896

約数和(自身を除く): 1016901

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 677, 1935, 2031, 3385, 6093, 10155, 29111, 30465, 87333, 145555, 261999, 436665, 1309995]

約数ペア:

[(1, 1309995), (3, 436665), (5, 261999), (9, 145555), (15, 87333), (43, 30465), (45, 29111), (129, 10155), (215, 6093), (387, 3385), (645, 2031), (677, 1935)]