28586721

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1\times {\mathrm{719}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 39571200

約数和(自身を除く): 10984479

約数列:

[1, 3, 29, 87, 457, 719, 1371, 2157, 13253, 20851, 39759, 62553, 328583, 985749, 9528907, 28586721]

約数ペア:

[(1, 28586721), (3, 9528907), (29, 985749), (87, 328583), (457, 62553), (719, 39759), (1371, 20851), (2157, 13253)]