28371147

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{11353}}^1$

素因数の和:11387

約数の個数: 24

約数和(自身を含む): 46596816

約数和(自身を除く): 18225669

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 11353, 34059, 79471, 193001, 238413, 556297, 579003, 1351007, 1668891, 4053021, 9457049, 28371147]

約数ペア:

[(1, 28371147), (3, 9457049), (7, 4053021), (17, 1668891), (21, 1351007), (49, 579003), (51, 556297), (119, 238413), (147, 193001), (357, 79471), (833, 34059), (2499, 11353)]