64521747

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{2729}}^1$

素因数の和:2843

約数の個数: 24

約数和(自身を含む): 97100640

約数和(自身を除く): 32578893

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 2627, 2729, 7881, 8187, 23643, 24561, 100973, 193759, 302919, 581277, 908757, 1743831, 7169083, 21507249, 64521747]

約数ペア:

[(1, 64521747), (3, 21507249), (9, 7169083), (37, 1743831), (71, 908757), (111, 581277), (213, 302919), (333, 193759), (639, 100973), (2627, 24561), (2729, 23643), (7881, 8187)]