199425981

素因数分解:

$3^1\times {\mathrm{181}}^1\times {\mathrm{281}}^1\times {\mathrm{1307}}^1$

素因数の和:1772

約数の個数: 16

約数和(自身を含む): 268527168

約数和(自身を除く): 69101187

約数列:

[1, 3, 181, 281, 543, 843, 1307, 3921, 50861, 152583, 236567, 367267, 709701, 1101801, 66475327, 199425981]

約数ペア:

[(1, 199425981), (3, 66475327), (181, 1101801), (281, 709701), (543, 367267), (843, 236567), (1307, 152583), (3921, 50861)]