420121919

素因数分解:

$7^1\times {\mathrm{89}}^2\times {\mathrm{7577}}^1$

素因数の和:7762

約数の個数: 12

約数和(自身を含む): 485658864

約数和(自身を除く): 65536945

約数列:

[1, 7, 89, 623, 7577, 7921, 53039, 55447, 674353, 4720471, 60017417, 420121919]

約数ペア:

[(1, 420121919), (7, 60017417), (89, 4720471), (623, 674353), (7577, 55447), (7921, 53039)]