18655461

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2731}}^1$

素因数の和:2774

約数の個数: 32

約数和(自身を含む): 31472640

約数和(自身を除く): 12817179

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 2731, 6831, 8193, 24579, 30041, 62813, 73737, 90123, 188439, 270369, 565317, 690943, 811107, 1695951, 2072829, 6218487, 18655461]

約数ペア:

[(1, 18655461), (3, 6218487), (9, 2072829), (11, 1695951), (23, 811107), (27, 690943), (33, 565317), (69, 270369), (99, 188439), (207, 90123), (253, 73737), (297, 62813), (621, 30041), (759, 24579), (2277, 8193), (2731, 6831)]