81370509

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{21821}}^1$

素因数の和:21948

約数の個数: 16

約数和(自身を含む): 119409984

約数和(自身を除く): 38039475

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 21821, 65463, 240031, 720093, 2465773, 7397319, 27123503, 81370509]

約数ペア:

[(1, 81370509), (3, 27123503), (11, 7397319), (33, 2465773), (113, 720093), (339, 240031), (1243, 65463), (3729, 21821)]