28388655

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{11903}}^1$

素因数の和:11967

約数の個数: 24

約数和(自身を含む): 50139648

約数和(自身を除く): 21750993

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 11903, 35709, 59515, 107127, 178545, 535635, 630859, 1892577, 3154295, 5677731, 9462885, 28388655]

約数ペア:

[(1, 28388655), (3, 9462885), (5, 5677731), (9, 3154295), (15, 1892577), (45, 630859), (53, 535635), (159, 178545), (265, 107127), (477, 59515), (795, 35709), (2385, 11903)]