211511169

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{63689}}^1$

素因数の和:63742

約数の個数: 20

約数和(自身を含む): 323672580

約数和(自身を除く): 112161411

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 63689, 191067, 573201, 1719603, 2611249, 5158809, 7833747, 23501241, 70503723, 211511169]

約数ペア:

[(1, 211511169), (3, 70503723), (9, 23501241), (27, 7833747), (41, 5158809), (81, 2611249), (123, 1719603), (369, 573201), (1107, 191067), (3321, 63689)]