199956741

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{15731}}^1$

素因数の和:15976

約数の個数: 16

約数和(自身を含む): 281917440

約数和(自身を除く): 81960699

約数列:

[1, 3, 19, 57, 223, 669, 4237, 12711, 15731, 47193, 298889, 896667, 3508013, 10524039, 66652247, 199956741]

約数ペア:

[(1, 199956741), (3, 66652247), (19, 10524039), (57, 3508013), (223, 896667), (669, 298889), (4237, 47193), (12711, 15731)]