15912701

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 19442016

約数和(自身を除く): 3529315

約数列:

[1, 7, 37, 49, 67, 131, 259, 469, 917, 1813, 2479, 3283, 4847, 6419, 8777, 17353, 33929, 61439, 121471, 237503, 324749, 430073, 2273243, 15912701]

約数ペア:

[(1, 15912701), (7, 2273243), (37, 430073), (49, 324749), (67, 237503), (131, 121471), (259, 61439), (469, 33929), (917, 17353), (1813, 8777), (2479, 6419), (3283, 4847)]