18274707

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1720

約数の個数: 32

約数和(自身を含む): 30351360

約数和(自身を除く): 12076653

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 1663, 3663, 4989, 10989, 14967, 18293, 44901, 54879, 61531, 164637, 184593, 493911, 553779, 676841, 1661337, 2030523, 6091569, 18274707]

約数ペア:

[(1, 18274707), (3, 6091569), (9, 2030523), (11, 1661337), (27, 676841), (33, 553779), (37, 493911), (99, 184593), (111, 164637), (297, 61531), (333, 54879), (407, 44901), (999, 18293), (1221, 14967), (1663, 10989), (3663, 4989)]