12810987

素因数分解:

$3^3\times 7^1\times {\mathrm{67783}}^1$

素因数の和:67799

約数の個数: 16

約数和(自身を含む): 21690880

約数和(自身を除く): 8879893

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 67783, 203349, 474481, 610047, 1423443, 1830141, 4270329, 12810987]

約数ペア:

[(1, 12810987), (3, 4270329), (7, 1830141), (9, 1423443), (21, 610047), (27, 474481), (63, 203349), (189, 67783)]