28299123

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 42120000

約数和(自身を除く): 13820877

約数列:

[1, 3, 9, 47, 141, 149, 423, 447, 449, 1341, 1347, 4041, 7003, 21009, 21103, 63027, 63309, 66901, 189927, 200703, 602109, 3144347, 9433041, 28299123]

約数ペア:

[(1, 28299123), (3, 9433041), (9, 3144347), (47, 602109), (141, 200703), (149, 189927), (423, 66901), (447, 63309), (449, 63027), (1341, 21103), (1347, 21009), (4041, 7003)]