858587139

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{1563911}}^1$

素因数の和:1563978

約数の個数: 12

約数和(自身を含む): 1260513072

約数和(自身を除く): 401925933

約数列:

[1, 3, 9, 61, 183, 549, 1563911, 4691733, 14075199, 95398571, 286195713, 858587139]

約数ペア:

[(1, 858587139), (3, 286195713), (9, 95398571), (61, 14075199), (183, 4691733), (549, 1563911)]