201722643

素因数分解:

$3^4\times {\mathrm{1471}}^1\times {\mathrm{1693}}^1$

素因数の和:3176

約数の個数: 20

約数和(自身を含む): 301721728

約数和(自身を除く): 99999085

約数列:

[1, 3, 9, 27, 81, 1471, 1693, 4413, 5079, 13239, 15237, 39717, 45711, 119151, 137133, 2490403, 7471209, 22413627, 67240881, 201722643]

約数ペア:

[(1, 201722643), (3, 67240881), (9, 22413627), (27, 7471209), (81, 2490403), (1471, 137133), (1693, 119151), (4413, 45711), (5079, 39717), (13239, 15237)]