28695789

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:319

約数の個数: 40

約数和(自身を含む): 45557952

約数和(自身を除く): 16862163

約数列:

[1, 3, 9, 23, 27, 69, 73, 81, 207, 211, 219, 621, 633, 657, 1679, 1863, 1899, 1971, 4853, 5037, 5697, 5913, 14559, 15111, 15403, 17091, 43677, 45333, 46209, 131031, 135999, 138627, 354269, 393093, 415881, 1062807, 1247643, 3188421, 9565263, 28695789]

約数ペア:

[(1, 28695789), (3, 9565263), (9, 3188421), (23, 1247643), (27, 1062807), (69, 415881), (73, 393093), (81, 354269), (207, 138627), (211, 135999), (219, 131031), (621, 46209), (633, 45333), (657, 43677), (1679, 17091), (1863, 15403), (1899, 15111), (1971, 14559), (4853, 5913), (5037, 5697)]