201821919

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{797}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 298873344

約数和(自身を除く): 97051425

約数列:

[1, 3, 13, 39, 43, 129, 151, 453, 559, 797, 1677, 1963, 2391, 5889, 6493, 10361, 19479, 31083, 34271, 84409, 102813, 120347, 253227, 361041, 445523, 1336569, 1564511, 4693533, 5174921, 15524763, 67273973, 201821919]

約数ペア:

[(1, 201821919), (3, 67273973), (13, 15524763), (39, 5174921), (43, 4693533), (129, 1564511), (151, 1336569), (453, 445523), (559, 361041), (797, 253227), (1677, 120347), (1963, 102813), (2391, 84409), (5889, 34271), (6493, 31083), (10361, 19479)]