28678605

素因数分解:

$3^1\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{1571}}^1$

素因数の和:2796

約数の個数: 16

約数和(自身を含む): 45952704

約数和(自身を除く): 17274099

約数列:

[1, 3, 5, 15, 1217, 1571, 3651, 4713, 6085, 7855, 18255, 23565, 1911907, 5735721, 9559535, 28678605]

約数ペア:

[(1, 28678605), (3, 9559535), (5, 5735721), (15, 1911907), (1217, 23565), (1571, 18255), (3651, 7855), (4713, 6085)]