28837701

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{4877}}^1$

素因数の和:4962

約数の個数: 20

約数和(自身を含む): 43677612

約数和(自身を除く): 14839911

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 4877, 5913, 14631, 43893, 131679, 356021, 395037, 1068063, 3204189, 9612567, 28837701]

約数ペア:

[(1, 28837701), (3, 9612567), (9, 3204189), (27, 1068063), (73, 395037), (81, 356021), (219, 131679), (657, 43893), (1971, 14631), (4877, 5913)]