2815785

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{1277}}^1$

素因数の和:1302

約数の個数: 36

約数和(自身を含む): 5681988

約数和(自身を除く): 2866203

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 1277, 2205, 3831, 6385, 8939, 11493, 19155, 26817, 44695, 57465, 62573, 80451, 134085, 187719, 312865, 402255, 563157, 938595, 2815785]

約数ペア:

[(1, 2815785), (3, 938595), (5, 563157), (7, 402255), (9, 312865), (15, 187719), (21, 134085), (35, 80451), (45, 62573), (49, 57465), (63, 44695), (105, 26817), (147, 19155), (245, 11493), (315, 8939), (441, 6385), (735, 3831), (1277, 2205)]