81404217

素因数分解:

$3^3\times {\mathrm{1289}}^1\times {\mathrm{2339}}^1$

素因数の和:3637

約数の個数: 16

約数和(自身を含む): 120744000

約数和(自身を除く): 39339783

約数列:

[1, 3, 9, 27, 1289, 2339, 3867, 7017, 11601, 21051, 34803, 63153, 3014971, 9044913, 27134739, 81404217]

約数ペア:

[(1, 81404217), (3, 27134739), (9, 9044913), (27, 3014971), (1289, 63153), (2339, 34803), (3867, 21051), (7017, 11601)]