31205961

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4451}}^1$

素因数の和:4517

約数の個数: 24

約数和(自身を含む): 48615840

約数和(自身を除く): 17409879

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 369, 779, 2337, 4451, 7011, 13353, 40059, 84569, 182491, 253707, 547473, 761121, 1642419, 3467329, 10401987, 31205961]

約数ペア:

[(1, 31205961), (3, 10401987), (9, 3467329), (19, 1642419), (41, 761121), (57, 547473), (123, 253707), (171, 182491), (369, 84569), (779, 40059), (2337, 13353), (4451, 7011)]