1991232099

素因数分解:

$3^3\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{4157}}^1$

素因数の和:4436

約数の個数: 32

約数和(自身を含む): 2995755840

約数和(自身を除く): 1004523741

約数列:

[1, 3, 9, 27, 113, 157, 339, 471, 1017, 1413, 3051, 4157, 4239, 12471, 17741, 37413, 53223, 112239, 159669, 469741, 479007, 652649, 1409223, 1957947, 4227669, 5873841, 12683007, 17621523, 73749337, 221248011, 663744033, 1991232099]

約数ペア:

[(1, 1991232099), (3, 663744033), (9, 221248011), (27, 73749337), (113, 17621523), (157, 12683007), (339, 5873841), (471, 4227669), (1017, 1957947), (1413, 1409223), (3051, 652649), (4157, 479007), (4239, 469741), (12471, 159669), (17741, 112239), (37413, 53223)]