81318741

素因数分解:

$3^1\times 7^1\times {\mathrm{613}}^1\times {\mathrm{6317}}^1$

素因数の和:6940

約数の個数: 16

約数和(自身を含む): 124136064

約数和(自身を除く): 42817323

約数列:

[1, 3, 7, 21, 613, 1839, 4291, 6317, 12873, 18951, 44219, 132657, 3872321, 11616963, 27106247, 81318741]

約数ペア:

[(1, 81318741), (3, 27106247), (7, 11616963), (21, 3872321), (613, 132657), (1839, 44219), (4291, 18951), (6317, 12873)]