18258453

素因数分解:

$3^4\times {\mathrm{431}}^1\times {\mathrm{523}}^1$

素因数の和:966

約数の個数: 20

約数和(自身を含む): 27390528

約数和(自身を除く): 9132075

約数列:

[1, 3, 9, 27, 81, 431, 523, 1293, 1569, 3879, 4707, 11637, 14121, 34911, 42363, 225413, 676239, 2028717, 6086151, 18258453]

約数ペア:

[(1, 18258453), (3, 6086151), (9, 2028717), (27, 676239), (81, 225413), (431, 42363), (523, 34911), (1293, 14121), (1569, 11637), (3879, 4707)]