3940713

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:965

約数の個数: 24

約数和(自身を含む): 6604416

約数和(自身を除く): 2663703

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 881, 1491, 2643, 4473, 6167, 7929, 18501, 55503, 62551, 187653, 437857, 562959, 1313571, 3940713]

約数ペア:

[(1, 3940713), (3, 1313571), (7, 562959), (9, 437857), (21, 187653), (63, 62551), (71, 55503), (213, 18501), (497, 7929), (639, 6167), (881, 4473), (1491, 2643)]