18780093

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{2251}}^1$

素因数の和:2366

約数の個数: 20

約数和(自身を含む): 28339168

約数和(自身を除く): 9559075

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2251, 2781, 6753, 8343, 20259, 60777, 182331, 231853, 695559, 2086677, 6260031, 18780093]

約数ペア:

[(1, 18780093), (3, 6260031), (9, 2086677), (27, 695559), (81, 231853), (103, 182331), (309, 60777), (927, 20259), (2251, 8343), (2781, 6753)]