15561255

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:551

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 10566105

約数列:

[1, 3, 5, 15, 29, 83, 87, 145, 249, 415, 431, 435, 1245, 1293, 2155, 2407, 6465, 7221, 12035, 12499, 35773, 36105, 37497, 62495, 107319, 178865, 187485, 536595, 1037417, 3112251, 5187085, 15561255]

約数ペア:

[(1, 15561255), (3, 5187085), (5, 3112251), (15, 1037417), (29, 536595), (83, 187485), (87, 178865), (145, 107319), (249, 62495), (415, 37497), (431, 36105), (435, 35773), (1245, 12499), (1293, 12035), (2155, 7221), (2407, 6465)]