28303695

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 58567680

約数和(自身を除く): 30263985

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 105, 135, 183, 189, 305, 315, 427, 491, 549, 915, 945, 1281, 1473, 1647, 2135, 2455, 2745, 3437, 3843, 4419, 6405, 7365, 8235, 10311, 11529, 13257, 17185, 19215, 22095, 29951, 30933, 51555, 57645, 66285, 89853, 92799, 149755, 154665, 209657, 269559, 449265, 463995, 628971, 808677, 1048285, 1347795, 1886913, 3144855, 4043385, 5660739, 9434565, 28303695]

約数ペア:

[(1, 28303695), (3, 9434565), (5, 5660739), (7, 4043385), (9, 3144855), (15, 1886913), (21, 1347795), (27, 1048285), (35, 808677), (45, 628971), (61, 463995), (63, 449265), (105, 269559), (135, 209657), (183, 154665), (189, 149755), (305, 92799), (315, 89853), (427, 66285), (491, 57645), (549, 51555), (915, 30933), (945, 29951), (1281, 22095), (1473, 19215), (1647, 17185), (2135, 13257), (2455, 11529), (2745, 10311), (3437, 8235), (3843, 7365), (4419, 6405)]