15426817

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 18852864

約数和(自身を除く): 3426047

約数列:

[1, 7, 37, 49, 67, 127, 259, 469, 889, 1813, 2479, 3283, 4699, 6223, 8509, 17353, 32893, 59563, 121471, 230251, 314833, 416941, 2203831, 15426817]

約数ペア:

[(1, 15426817), (7, 2203831), (37, 416941), (49, 314833), (67, 230251), (127, 121471), (259, 59563), (469, 32893), (889, 17353), (1813, 8509), (2479, 6223), (3283, 4699)]