1310211

素因数分解:

$3^2\times 7^2\times {\mathrm{2971}}^1$

素因数の和:2991

約数の個数: 18

約数和(自身を含む): 2202252

約数和(自身を除く): 892041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2971, 8913, 20797, 26739, 62391, 145579, 187173, 436737, 1310211]

約数ペア:

[(1, 1310211), (3, 436737), (7, 187173), (9, 145579), (21, 62391), (49, 26739), (63, 20797), (147, 8913), (441, 2971)]