220175757

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^2\times {\mathrm{211}}^1$

素因数の和:382

約数の個数: 36

約数和(自身を含む): 338194272

約数和(自身を除く): 118018515

約数列:

[1, 3, 9, 23, 69, 71, 207, 211, 213, 633, 639, 1633, 1899, 4853, 4899, 5041, 14559, 14697, 14981, 15123, 43677, 44943, 45369, 115943, 134829, 344563, 347829, 1033689, 1043487, 1063651, 3101067, 3190953, 9572859, 24463973, 73391919, 220175757]

約数ペア:

[(1, 220175757), (3, 73391919), (9, 24463973), (23, 9572859), (69, 3190953), (71, 3101067), (207, 1063651), (211, 1043487), (213, 1033689), (633, 347829), (639, 344563), (1633, 134829), (1899, 115943), (4853, 45369), (4899, 44943), (5041, 43677), (14559, 15123), (14697, 14981)]