257202165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{5927}}^1$

素因数の和:6209

約数の個数: 32

約数和(自身を含む): 450717696

約数和(自身を除く): 193515531

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 263, 789, 1315, 2893, 3945, 5927, 8679, 14465, 17781, 29635, 43395, 65197, 88905, 195591, 325985, 977955, 1558801, 4676403, 7794005, 17146811, 23382015, 51440433, 85734055, 257202165]

約数ペア:

[(1, 257202165), (3, 85734055), (5, 51440433), (11, 23382015), (15, 17146811), (33, 7794005), (55, 4676403), (165, 1558801), (263, 977955), (789, 325985), (1315, 195591), (2893, 88905), (3945, 65197), (5927, 43395), (8679, 29635), (14465, 17781)]