28668321

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15241}}^1$

素因数の和:15277

約数の個数: 24

約数和(自身を含む): 47555040

約数和(自身を除く): 18886719

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 15241, 45723, 137169, 167651, 289579, 502953, 868737, 1508859, 2606211, 3185369, 9556107, 28668321]

約数ペア:

[(1, 28668321), (3, 9556107), (9, 3185369), (11, 2606211), (19, 1508859), (33, 868737), (57, 502953), (99, 289579), (171, 167651), (209, 137169), (627, 45723), (1881, 15241)]