2909870.00000000

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1579}}^1$

素因数の和:1661

約数の個数: 64

約数和(自身を含む): 188083200

約数和(自身を除く): 97061745

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 61, 63, 105, 135, 183, 189, 305, 315, 427, 549, 915, 945, 1281, 1579, 1647, 2135, 2745, 3843, 4737, 6405, 7895, 8235, 11053, 11529, 14211, 19215, 23685, 33159, 42633, 55265, 57645, 71055, 96319, 99477, 165795, 213165, 288957, 298431, 481595, 497385, 674233, 866871, 1444785, 1492155, 2022699, 2600613, 3371165, 4334355, 6068097, 10113495, 13003065, 18204291, 30340485, 91021455]

約数ペア:

[(1, 91021455), (3, 30340485), (5, 18204291), (7, 13003065), (9, 10113495), (15, 6068097), (21, 4334355), (27, 3371165), (35, 2600613), (45, 2022699), (61, 1492155), (63, 1444785), (105, 866871), (135, 674233), (183, 497385), (189, 481595), (305, 298431), (315, 288957), (427, 213165), (549, 165795), (915, 99477), (945, 96319), (1281, 71055), (1579, 57645), (1647, 55265), (2135, 42633), (2745, 33159), (3843, 23685), (4737, 19215), (6405, 14211), (7895, 11529), (8235, 11053)]