127640639

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{3061}}^1$

素因数の和:3135

約数の個数: 24

約数和(自身を含む): 159175008

約数和(自身を除く): 31534369

約数列:

[1, 7, 23, 37, 49, 161, 259, 851, 1127, 1813, 3061, 5957, 21427, 41699, 70403, 113257, 149989, 492821, 792799, 2604911, 3449747, 5549593, 18234377, 127640639]

約数ペア:

[(1, 127640639), (7, 18234377), (23, 5549593), (37, 3449747), (49, 2604911), (161, 792799), (259, 492821), (851, 149989), (1127, 113257), (1813, 70403), (3061, 41699), (5957, 21427)]