26980785

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2713}}^1$

素因数の和:2754

約数の個数: 48

約数和(自身を含む): 53346384

約数和(自身を除く): 26365599

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1989, 2713, 3315, 8139, 9945, 13565, 24417, 35269, 40695, 46121, 105807, 122085, 138363, 176345, 230605, 317421, 415089, 529035, 599573, 691815, 1587105, 1798719, 2075445, 2997865, 5396157, 8993595, 26980785]

約数ペア:

[(1, 26980785), (3, 8993595), (5, 5396157), (9, 2997865), (13, 2075445), (15, 1798719), (17, 1587105), (39, 691815), (45, 599573), (51, 529035), (65, 415089), (85, 317421), (117, 230605), (153, 176345), (195, 138363), (221, 122085), (255, 105807), (585, 46121), (663, 40695), (765, 35269), (1105, 24417), (1989, 13565), (2713, 9945), (3315, 8139)]