81392205

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{1549}}^1$

素因数の和:1701

約数の個数: 32

約数和(自身を含む): 135705600

約数和(自身を除く): 54313395

約数列:

[1, 3, 5, 15, 31, 93, 113, 155, 339, 465, 565, 1549, 1695, 3503, 4647, 7745, 10509, 17515, 23235, 48019, 52545, 144057, 175037, 240095, 525111, 720285, 875185, 2625555, 5426147, 16278441, 27130735, 81392205]

約数ペア:

[(1, 81392205), (3, 27130735), (5, 16278441), (15, 5426147), (31, 2625555), (93, 875185), (113, 720285), (155, 525111), (339, 240095), (465, 175037), (565, 144057), (1549, 52545), (1695, 48019), (3503, 23235), (4647, 17515), (7745, 10509)]