2631987

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{2267}}^1$

素因数の和:2319

約数の個数: 16

約数和(自身を含む): 3991680

約数和(自身を除く): 1359693

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 2267, 6801, 20403, 61209, 97481, 292443, 877329, 2631987]

約数ペア:

[(1, 2631987), (3, 877329), (9, 292443), (27, 97481), (43, 61209), (129, 20403), (387, 6801), (1161, 2267)]