28460271

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71329}}^1$

素因数の和:71358

約数の個数: 16

約数和(自身を含む): 45651200

約数和(自身を除く): 17190929

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 71329, 213987, 499303, 1355251, 1497909, 4065753, 9486757, 28460271]

約数ペア:

[(1, 28460271), (3, 9486757), (7, 4065753), (19, 1497909), (21, 1355251), (57, 499303), (133, 213987), (399, 71329)]