31145037

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 56766528

約数和(自身を除く): 25621491

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 77, 103, 119, 121, 147, 187, 231, 309, 357, 363, 539, 561, 721, 833, 847, 1133, 1309, 1617, 1751, 2057, 2163, 2499, 2541, 3399, 3927, 5047, 5253, 5929, 6171, 7931, 9163, 12257, 12463, 14399, 15141, 17787, 19261, 23793, 27489, 36771, 37389, 43197, 55517, 57783, 85799, 87241, 100793, 134827, 166551, 211871, 257397, 261723, 302379, 404481, 610687, 635613, 943789, 1483097, 1832061, 2831367, 4449291, 10381679, 31145037]

約数ペア:

[(1, 31145037), (3, 10381679), (7, 4449291), (11, 2831367), (17, 1832061), (21, 1483097), (33, 943789), (49, 635613), (51, 610687), (77, 404481), (103, 302379), (119, 261723), (121, 257397), (147, 211871), (187, 166551), (231, 134827), (309, 100793), (357, 87241), (363, 85799), (539, 57783), (561, 55517), (721, 43197), (833, 37389), (847, 36771), (1133, 27489), (1309, 23793), (1617, 19261), (1751, 17787), (2057, 15141), (2163, 14399), (2499, 12463), (2541, 12257), (3399, 9163), (3927, 7931), (5047, 6171), (5253, 5929)]