28265919

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 43352064

約数和(自身を除く): 15086145

約数列:

[1, 3, 11, 23, 33, 69, 167, 223, 253, 501, 669, 759, 1837, 2453, 3841, 5129, 5511, 7359, 11523, 15387, 37241, 42251, 56419, 111723, 126753, 169257, 409651, 856543, 1228953, 2569629, 9421973, 28265919]

約数ペア:

[(1, 28265919), (3, 9421973), (11, 2569629), (23, 1228953), (33, 856543), (69, 409651), (167, 169257), (223, 126753), (253, 111723), (501, 56419), (669, 42251), (759, 37241), (1837, 15387), (2453, 11523), (3841, 7359), (5129, 5511)]