71211651

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{6823}}^1$

素因数の和:6911

約数の個数: 24

約数和(自身を含む): 112022784

約数和(自身を除く): 40811133

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 6823, 10437, 20469, 47761, 143283, 334327, 484433, 1002981, 1453299, 3391031, 10173093, 23737217, 71211651]

約数ペア:

[(1, 71211651), (3, 23737217), (7, 10173093), (21, 3391031), (49, 1453299), (71, 1002981), (147, 484433), (213, 334327), (497, 143283), (1491, 47761), (3479, 20469), (6823, 10437)]