1553197541

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{4079}}^1$

素因数の和:4521

約数の個数: 24

約数和(自身を含む): 1906992000

約数和(自身を除く): 353794459

約数列:

[1, 7, 19, 49, 133, 409, 931, 2863, 4079, 7771, 20041, 28553, 54397, 77501, 199871, 380779, 542507, 1668311, 3797549, 11678177, 31697909, 81747239, 221885363, 1553197541]

約数ペア:

[(1, 1553197541), (7, 221885363), (19, 81747239), (49, 31697909), (133, 11678177), (409, 3797549), (931, 1668311), (2863, 542507), (4079, 380779), (7771, 199871), (20041, 77501), (28553, 54397)]