31980783

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{1021}}^1$

素因数の和:1274

約数の個数: 16

約数和(自身を含む): 43708896

約数和(自身を除く): 11728113

約数列:

[1, 3, 53, 159, 197, 591, 1021, 3063, 10441, 31323, 54113, 162339, 201137, 603411, 10660261, 31980783]

約数ペア:

[(1, 31980783), (3, 10660261), (53, 603411), (159, 201137), (197, 162339), (591, 54113), (1021, 31323), (3063, 10441)]