2008902465

素因数分解:

$3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{30431}}^1$

素因数の和:30611

約数の個数: 40

約数和(自身を含む): 3623355648

約数和(自身を除く): 1614453183

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 163, 405, 489, 815, 1467, 2445, 4401, 7335, 13203, 22005, 30431, 66015, 91293, 152155, 273879, 456465, 821637, 1369395, 2464911, 4108185, 4960253, 12324555, 14880759, 24801265, 44642277, 74403795, 133926831, 223211385, 401780493, 669634155, 2008902465]

約数ペア:

[(1, 2008902465), (3, 669634155), (5, 401780493), (9, 223211385), (15, 133926831), (27, 74403795), (45, 44642277), (81, 24801265), (135, 14880759), (163, 12324555), (405, 4960253), (489, 4108185), (815, 2464911), (1467, 1369395), (2445, 821637), (4401, 456465), (7335, 273879), (13203, 152155), (22005, 91293), (30431, 66015)]