28618701

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{7687}}^1$

素因数の和:7780

約数の個数: 16

約数和(自身を含む): 40961664

約数和(自身を除く): 12342963

約数列:

[1, 3, 17, 51, 73, 219, 1241, 3723, 7687, 23061, 130679, 392037, 561151, 1683453, 9539567, 28618701]

約数ペア:

[(1, 28618701), (3, 9539567), (17, 1683453), (51, 561151), (73, 392037), (219, 130679), (1241, 23061), (3723, 7687)]