18274329

素因数分解:

$3^5\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:651

約数の個数: 24

約数和(自身を含む): 27605760

約数和(自身を除く): 9331431

約数列:

[1, 3, 9, 27, 81, 157, 243, 471, 479, 1413, 1437, 4239, 4311, 12717, 12933, 38151, 38799, 75203, 116397, 225609, 676827, 2030481, 6091443, 18274329]

約数ペア:

[(1, 18274329), (3, 6091443), (9, 2030481), (27, 676827), (81, 225609), (157, 116397), (243, 75203), (471, 38799), (479, 38151), (1413, 12933), (1437, 12717), (4239, 4311)]