28816575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13249}}^1$

素因数の和:13291

約数の個数: 24

約数和(自身を含む): 49290000

約数和(自身を除く): 20473425

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 13249, 39747, 66245, 198735, 331225, 384221, 993675, 1152663, 1921105, 5763315, 9605525, 28816575]

約数ペア:

[(1, 28816575), (3, 9605525), (5, 5763315), (15, 1921105), (25, 1152663), (29, 993675), (75, 384221), (87, 331225), (145, 198735), (435, 66245), (725, 39747), (2175, 13249)]