199772089

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{3121}}^1$

素因数の和:3189

約数の個数: 18

約数和(自身を含む): 229619978

約数和(自身を除く): 29847889

約数列:

[1, 11, 23, 121, 253, 529, 2783, 3121, 5819, 34331, 64009, 71783, 377641, 789613, 1651009, 8685743, 18161099, 199772089]

約数ペア:

[(1, 199772089), (11, 18161099), (23, 8685743), (121, 1651009), (253, 789613), (529, 377641), (2783, 71783), (3121, 64009), (5819, 34331)]