3991905

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2063}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 7083648

約数和(自身を除く): 3091743

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 2063, 6189, 10315, 18567, 30945, 88709, 92835, 266127, 443545, 798381, 1330635, 3991905]

約数ペア:

[(1, 3991905), (3, 1330635), (5, 798381), (9, 443545), (15, 266127), (43, 92835), (45, 88709), (129, 30945), (215, 18567), (387, 10315), (645, 6189), (1935, 2063)]