666420410877

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{3187}}^1\times {\mathrm{8287}}^1$

素因数の和:12137

約数の個数: 32

約数和(自身を含む): 958806761472

約数和(自身を除く): 292386350595

約数列:

[1, 3, 13, 39, 647, 1941, 3187, 8287, 8411, 9561, 24861, 25233, 41431, 107731, 124293, 323193, 2061989, 5361689, 6185967, 16085067, 26410669, 26805857, 69701957, 79232007, 80417571, 209105871, 343338697, 1030016091, 17087702843, 51263108529, 222140136959, 666420410877]

約数ペア:

[(1, 666420410877), (3, 222140136959), (13, 51263108529), (39, 17087702843), (647, 1030016091), (1941, 343338697), (3187, 209105871), (8287, 80417571), (8411, 79232007), (9561, 69701957), (24861, 26805857), (25233, 26410669), (41431, 16085067), (107731, 6185967), (124293, 5361689), (323193, 2061989)]