211927731

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{397}}^1\times {\mathrm{1663}}^1$

素因数の和:2170

約数の個数: 16

約数和(自身を含む): 286101504

約数和(自身を除く): 74173773

約数列:

[1, 3, 107, 321, 397, 1191, 1663, 4989, 42479, 127437, 177941, 533823, 660211, 1980633, 70642577, 211927731]

約数ペア:

[(1, 211927731), (3, 70642577), (107, 1980633), (321, 660211), (397, 533823), (1191, 177941), (1663, 127437), (4989, 42479)]