28691709

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{5821}}^1$

素因数の和:5908

約数の個数: 16

約数和(自身を含む): 40241664

約数和(自身を除く): 11549955

約数列:

[1, 3, 31, 53, 93, 159, 1643, 4929, 5821, 17463, 180451, 308513, 541353, 925539, 9563903, 28691709]

約数ペア:

[(1, 28691709), (3, 9563903), (31, 925539), (53, 541353), (93, 308513), (159, 180451), (1643, 17463), (4929, 5821)]