67642623

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2861}}^1$

素因数の和:2975

約数の個数: 24

約数和(自身を含む): 101795616

約数和(自身を除く): 34152993

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 2627, 2861, 7881, 8583, 23643, 25749, 105857, 203131, 317571, 609393, 952713, 1828179, 7515847, 22547541, 67642623]

約数ペア:

[(1, 67642623), (3, 22547541), (9, 7515847), (37, 1828179), (71, 952713), (111, 609393), (213, 317571), (333, 203131), (639, 105857), (2627, 25749), (2861, 23643), (7881, 8583)]