28086159

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{6971}}^1$

素因数の和:7070

約数の個数: 16

約数和(自身を含む): 40158720

約数和(自身を除く): 12072561

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 6971, 20913, 118507, 355521, 550709, 1652127, 9362053, 28086159]

約数ペア:

[(1, 28086159), (3, 9362053), (17, 1652127), (51, 550709), (79, 355521), (237, 118507), (1343, 20913), (4029, 6971)]