28893225

素因数分解:

$3^1\times 5^2\times {\mathrm{257}}^1\times {\mathrm{1499}}^1$

素因数の和:1769

約数の個数: 24

約数和(自身を含む): 47988000

約数和(自身を除く): 19094775

約数列:

[1, 3, 5, 15, 25, 75, 257, 771, 1285, 1499, 3855, 4497, 6425, 7495, 19275, 22485, 37475, 112425, 385243, 1155729, 1926215, 5778645, 9631075, 28893225]

約数ペア:

[(1, 28893225), (3, 9631075), (5, 5778645), (15, 1926215), (25, 1155729), (75, 385243), (257, 112425), (771, 37475), (1285, 22485), (1499, 19275), (3855, 7495), (4497, 6425)]