197451

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 16

約数和(自身を含む): 299520

約数和(自身を除く): 102069

約数列:

[1, 3, 9, 27, 71, 103, 213, 309, 639, 927, 1917, 2781, 7313, 21939, 65817, 197451]

約数ペア:

[(1, 197451), (3, 65817), (9, 21939), (27, 7313), (71, 2781), (103, 1917), (213, 927), (309, 639)]