16712493

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 26513664

約数和(自身を除く): 9801171

約数列:

[1, 3, 7, 21, 37, 111, 137, 157, 259, 411, 471, 777, 959, 1099, 2877, 3297, 5069, 5809, 15207, 17427, 21509, 35483, 40663, 64527, 106449, 121989, 150563, 451689, 795833, 2387499, 5570831, 16712493]

約数ペア:

[(1, 16712493), (3, 5570831), (7, 2387499), (21, 795833), (37, 451689), (111, 150563), (137, 121989), (157, 106449), (259, 64527), (411, 40663), (471, 35483), (777, 21509), (959, 17427), (1099, 15207), (2877, 5809), (3297, 5069)]