13215765

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 22127616

約数和(自身を除く): 8911851

約数列:

[1, 3, 5, 15, 31, 93, 97, 155, 291, 293, 465, 485, 879, 1455, 1465, 3007, 4395, 9021, 9083, 15035, 27249, 28421, 45105, 45415, 85263, 136245, 142105, 426315, 881051, 2643153, 4405255, 13215765]

約数ペア:

[(1, 13215765), (3, 4405255), (5, 2643153), (15, 881051), (31, 426315), (93, 142105), (97, 136245), (155, 85263), (291, 45415), (293, 45105), (465, 28421), (485, 27249), (879, 15035), (1455, 9083), (1465, 9021), (3007, 4395)]