2657865

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 5149440

約数和(自身を除く): 2491575

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1489, 1785, 4467, 7445, 10423, 22335, 25313, 31269, 52115, 75939, 126565, 156345, 177191, 379695, 531573, 885955, 2657865]

約数ペア:

[(1, 2657865), (3, 885955), (5, 531573), (7, 379695), (15, 177191), (17, 156345), (21, 126565), (35, 75939), (51, 52115), (85, 31269), (105, 25313), (119, 22335), (255, 10423), (357, 7445), (595, 4467), (1489, 1785)]