28323369

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:661

約数の個数: 24

約数和(自身を含む): 42213600

約数和(自身を除く): 13890231

約数列:

[1, 3, 9, 43, 129, 163, 387, 449, 489, 1347, 1467, 4041, 7009, 19307, 21027, 57921, 63081, 73187, 173763, 219561, 658683, 3147041, 9441123, 28323369]

約数ペア:

[(1, 28323369), (3, 9441123), (9, 3147041), (43, 658683), (129, 219561), (163, 173763), (387, 73187), (449, 63081), (489, 57921), (1347, 21027), (1467, 19307), (4041, 7009)]