20090001

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{751}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 27661568

約数和(自身を除く): 7571567

約数列:

[1, 3, 37, 111, 241, 723, 751, 2253, 8917, 26751, 27787, 83361, 180991, 542973, 6696667, 20090001]

約数ペア:

[(1, 20090001), (3, 6696667), (37, 542973), (111, 180991), (241, 83361), (723, 27787), (751, 26751), (2253, 8917)]