28017255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1637}}^1$

素因数の和:1815

約数の個数: 32

約数和(自身を含む): 51577344

約数和(自身を除く): 23560089

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 163, 489, 815, 1141, 1637, 2445, 3423, 4911, 5705, 8185, 11459, 17115, 24555, 34377, 57295, 171885, 266831, 800493, 1334155, 1867817, 4002465, 5603451, 9339085, 28017255]

約数ペア:

[(1, 28017255), (3, 9339085), (5, 5603451), (7, 4002465), (15, 1867817), (21, 1334155), (35, 800493), (105, 266831), (163, 171885), (489, 57295), (815, 34377), (1141, 24555), (1637, 17115), (2445, 11459), (3423, 8185), (4911, 5705)]