81178983

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2236

約数の個数: 32

約数和(自身を含む): 127610880

約数和(自身を除く): 46431897

約数列:

[1, 3, 9, 23, 27, 61, 69, 183, 207, 549, 621, 1403, 1647, 2143, 4209, 6429, 12627, 19287, 37881, 49289, 57861, 130723, 147867, 392169, 443601, 1176507, 1330803, 3006629, 3529521, 9019887, 27059661, 81178983]

約数ペア:

[(1, 81178983), (3, 27059661), (9, 9019887), (23, 3529521), (27, 3006629), (61, 1330803), (69, 1176507), (183, 443601), (207, 392169), (549, 147867), (621, 130723), (1403, 57861), (1647, 49289), (2143, 37881), (4209, 19287), (6429, 12627)]