2115987

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 2956800

約数和(自身を除く): 840813

約数列:

[1, 3, 43, 47, 129, 141, 349, 1047, 2021, 6063, 15007, 16403, 45021, 49209, 705329, 2115987]

約数ペア:

[(1, 2115987), (3, 705329), (43, 49209), (47, 45021), (129, 16403), (141, 15007), (349, 6063), (1047, 2021)]