243731853

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{191}}^1\times {\mathrm{1997}}^1$

素因数の和:2265

約数の個数: 24

約数和(自身を含む): 359064576

約数和(自身を除く): 115332723

約数列:

[1, 3, 9, 71, 191, 213, 573, 639, 1719, 1997, 5991, 13561, 17973, 40683, 122049, 141787, 381427, 425361, 1144281, 1276083, 3432843, 27081317, 81243951, 243731853]

約数ペア:

[(1, 243731853), (3, 81243951), (9, 27081317), (71, 3432843), (191, 1276083), (213, 1144281), (573, 425361), (639, 381427), (1719, 141787), (1997, 122049), (5991, 40683), (13561, 17973)]