199887507

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{34757}}^1$

素因数の和:34840

約数の個数: 20

約数和(自身を含む): 302811696

約数和(自身を除く): 102924189

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 34757, 104271, 312813, 938439, 2467747, 2815317, 7403241, 22209723, 66629169, 199887507]

約数ペア:

[(1, 199887507), (3, 66629169), (9, 22209723), (27, 7403241), (71, 2815317), (81, 2467747), (213, 938439), (639, 312813), (1917, 104271), (5751, 34757)]