2009261289

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{400331}}^1$

素因数の和:400580

約数の個数: 16

約数和(自身を含む): 3074549760

約数和(自身を除く): 1065288471

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 400331, 1200993, 2802317, 8406951, 95679109, 287037327, 669753763, 2009261289]

約数ペア:

[(1, 2009261289), (3, 669753763), (7, 287037327), (21, 95679109), (239, 8406951), (717, 2802317), (1673, 1200993), (5019, 400331)]