42405027

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{3121}}^1$

素因数の和:3778

約数の個数: 16

約数和(自身を含む): 64737792

約数和(自身を除く): 22332765

約数列:

[1, 3, 7, 21, 647, 1941, 3121, 4529, 9363, 13587, 21847, 65541, 2019287, 6057861, 14135009, 42405027]

約数ペア:

[(1, 42405027), (3, 14135009), (7, 6057861), (21, 2019287), (647, 65541), (1941, 21847), (3121, 13587), (4529, 9363)]