28654731

素因数分解:

$3^2\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1013}}^1$

素因数の和:1475

約数の個数: 24

約数和(自身を含む): 47455200

約数和(自身を除く): 18800469

約数列:

[1, 3, 7, 9, 21, 63, 449, 1013, 1347, 3039, 3143, 4041, 7091, 9117, 9429, 21273, 28287, 63819, 454837, 1364511, 3183859, 4093533, 9551577, 28654731]

約数ペア:

[(1, 28654731), (3, 9551577), (7, 4093533), (9, 3183859), (21, 1364511), (63, 454837), (449, 63819), (1013, 28287), (1347, 21273), (3039, 9429), (3143, 9117), (4041, 7091)]