204021531

素因数分解:

$3^3\times 7^1\times {\mathrm{887}}^1\times {\mathrm{1217}}^1$

素因数の和:2120

約数の個数: 32

約数和(自身を含む): 346106880

約数和(自身を除く): 142085349

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 887, 1217, 2661, 3651, 6209, 7983, 8519, 10953, 18627, 23949, 25557, 32859, 55881, 76671, 167643, 230013, 1079479, 3238437, 7556353, 9715311, 22669059, 29145933, 68007177, 204021531]

約数ペア:

[(1, 204021531), (3, 68007177), (7, 29145933), (9, 22669059), (21, 9715311), (27, 7556353), (63, 3238437), (189, 1079479), (887, 230013), (1217, 167643), (2661, 76671), (3651, 55881), (6209, 32859), (7983, 25557), (8519, 23949), (10953, 18627)]