51782073

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{2689}}^1$

素因数の和:2837

約数の個数: 24

約数和(自身を含む): 80958240

約数和(自身を除く): 29176167

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 2689, 2751, 6419, 8067, 18823, 19257, 56469, 131761, 352259, 395283, 1056777, 2465813, 7397439, 17260691, 51782073]

約数ペア:

[(1, 51782073), (3, 17260691), (7, 7397439), (21, 2465813), (49, 1056777), (131, 395283), (147, 352259), (393, 131761), (917, 56469), (2689, 19257), (2751, 18823), (6419, 8067)]