31021281

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4903}}^1$

素因数の和:4965

約数の個数: 24

約数和(自身を含む): 48451520

約数和(自身を除く): 17430239

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 4903, 6327, 14709, 44127, 93157, 181411, 279471, 544233, 838413, 1632699, 3446809, 10340427, 31021281]

約数ペア:

[(1, 31021281), (3, 10340427), (9, 3446809), (19, 1632699), (37, 838413), (57, 544233), (111, 279471), (171, 181411), (333, 93157), (703, 44127), (2109, 14709), (4903, 6327)]