207858861

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{277}}^2$

素因数の和:610

約数の個数: 36

約数和(自身を含む): 352384032

約数和(自身を除く): 144525171

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 277, 301, 387, 831, 903, 1939, 2493, 2709, 5817, 11911, 17451, 35733, 76729, 83377, 107199, 230187, 250131, 537103, 690561, 750393, 1611309, 3299347, 4833927, 9898041, 23095429, 29694123, 69286287, 207858861]

約数ペア:

[(1, 207858861), (3, 69286287), (7, 29694123), (9, 23095429), (21, 9898041), (43, 4833927), (63, 3299347), (129, 1611309), (277, 750393), (301, 690561), (387, 537103), (831, 250131), (903, 230187), (1939, 107199), (2493, 83377), (2709, 76729), (5817, 35733), (11911, 17451)]