87642051

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 137991168

約数和(自身を除く): 50349117

約数列:

[1, 3, 7, 21, 41, 123, 137, 287, 411, 743, 861, 959, 2229, 2877, 5201, 5617, 15603, 16851, 30463, 39319, 91389, 101791, 117957, 213241, 305373, 639723, 712537, 2137611, 4173431, 12520293, 29214017, 87642051]

約数ペア:

[(1, 87642051), (3, 29214017), (7, 12520293), (21, 4173431), (41, 2137611), (123, 712537), (137, 639723), (287, 305373), (411, 213241), (743, 117957), (861, 101791), (959, 91389), (2229, 39319), (2877, 30463), (5201, 16851), (5617, 15603)]