215225007

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{6947}}^1$

素因数の和:7422

約数の個数: 16

約数和(自身を含む): 300153600

約数和(自身を除く): 84928593

約数列:

[1, 3, 23, 69, 449, 1347, 6947, 10327, 20841, 30981, 159781, 479343, 3119203, 9357609, 71741669, 215225007]

約数ペア:

[(1, 215225007), (3, 71741669), (23, 9357609), (69, 3119203), (449, 479343), (1347, 159781), (6947, 30981), (10327, 20841)]