28018431

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26161}}^1$

素因数の和:26191

約数の個数: 24

約数和(自身を含む): 48975264

約数和(自身を除く): 20956833

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26161, 78483, 183127, 235449, 444737, 549381, 1334211, 1648143, 3113159, 4002633, 9339477, 28018431]

約数ペア:

[(1, 28018431), (3, 9339477), (7, 4002633), (9, 3113159), (17, 1648143), (21, 1334211), (51, 549381), (63, 444737), (119, 235449), (153, 183127), (357, 78483), (1071, 26161)]