2090205

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:427

約数の個数: 40

約数和(自身を含む): 4045272

約数和(自身を除く): 1955067

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 397, 405, 585, 1053, 1191, 1755, 1985, 3573, 5161, 5265, 5955, 10719, 15483, 17865, 25805, 32157, 46449, 53595, 77415, 139347, 160785, 232245, 418041, 696735, 2090205]

約数ペア:

[(1, 2090205), (3, 696735), (5, 418041), (9, 232245), (13, 160785), (15, 139347), (27, 77415), (39, 53595), (45, 46449), (65, 32157), (81, 25805), (117, 17865), (135, 15483), (195, 10719), (351, 5955), (397, 5265), (405, 5161), (585, 3573), (1053, 1985), (1191, 1755)]