205700313

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{3571}}^1$

素因数の和:3805

約数の個数: 32

約数和(自身を含む): 339254272

約数和(自身を除く): 133553959

約数列:

[1, 3, 7, 13, 21, 39, 91, 211, 273, 633, 1477, 2743, 3571, 4431, 8229, 10713, 19201, 24997, 46423, 57603, 74991, 139269, 324961, 753481, 974883, 2260443, 5274367, 9795253, 15823101, 29385759, 68566771, 205700313]

約数ペア:

[(1, 205700313), (3, 68566771), (7, 29385759), (13, 15823101), (21, 9795253), (39, 5274367), (91, 2260443), (211, 974883), (273, 753481), (633, 324961), (1477, 139269), (2743, 74991), (3571, 57603), (4431, 46423), (8229, 24997), (10713, 19201)]