81333417

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{20369}}^1$

素因数の和:20405

約数の個数: 16

約数和(自身を含む): 119286720

約数和(自身を除く): 37953303

約数列:

[1, 3, 11, 33, 121, 363, 1331, 3993, 20369, 61107, 224059, 672177, 2464649, 7393947, 27111139, 81333417]

約数ペア:

[(1, 81333417), (3, 27111139), (11, 7393947), (33, 2464649), (121, 672177), (363, 224059), (1331, 61107), (3993, 20369)]