15721113

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3323}}^1$

素因数の和:3428

約数の個数: 16

約数和(自身を含む): 22337280

約数和(自身を除く): 6616167

約数列:

[1, 3, 19, 57, 83, 249, 1577, 3323, 4731, 9969, 63137, 189411, 275809, 827427, 5240371, 15721113]

約数ペア:

[(1, 15721113), (3, 5240371), (19, 827427), (57, 275809), (83, 189411), (249, 63137), (1577, 9969), (3323, 4731)]