15676671969

素因数分解:

$3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{137251}}^1$

素因数の和:137315

約数の個数: 48

約数和(自身を含む): 27120995200

約数和(自身を除く): 11444323231

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 259, 333, 343, 441, 777, 1029, 1813, 2331, 3087, 5439, 12691, 16317, 38073, 114219, 137251, 411753, 960757, 1235259, 2882271, 5078287, 6725299, 8646813, 15234861, 20175897, 35548009, 45704583, 47077093, 60527691, 106644027, 141231279, 248836063, 319932081, 423693837, 746508189, 1741852441, 2239524567, 5225557323, 15676671969]

約数ペア:

[(1, 15676671969), (3, 5225557323), (7, 2239524567), (9, 1741852441), (21, 746508189), (37, 423693837), (49, 319932081), (63, 248836063), (111, 141231279), (147, 106644027), (259, 60527691), (333, 47077093), (343, 45704583), (441, 35548009), (777, 20175897), (1029, 15234861), (1813, 8646813), (2331, 6725299), (3087, 5078287), (5439, 2882271), (12691, 1235259), (16317, 960757), (38073, 411753), (114219, 137251)]