81386865

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6983}}^1$

素因数の和:7038

約数の個数: 48

約数和(自身を含む): 165604608

約数和(自身を除く): 84217743

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 185, 259, 315, 333, 555, 777, 1295, 1665, 2331, 3885, 6983, 11655, 20949, 34915, 48881, 62847, 104745, 146643, 244405, 258371, 314235, 439929, 733215, 775113, 1291855, 1808597, 2199645, 2325339, 3875565, 5425791, 9042985, 11626695, 16277373, 27128955, 81386865]

約数ペア:

[(1, 81386865), (3, 27128955), (5, 16277373), (7, 11626695), (9, 9042985), (15, 5425791), (21, 3875565), (35, 2325339), (37, 2199645), (45, 1808597), (63, 1291855), (105, 775113), (111, 733215), (185, 439929), (259, 314235), (315, 258371), (333, 244405), (555, 146643), (777, 104745), (1295, 62847), (1665, 48881), (2331, 34915), (3885, 20949), (6983, 11655)]