2947401

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:813

約数の個数: 16

約数和(自身を含む): 4398720

約数和(自身を除く): 1451319

約数列:

[1, 3, 9, 27, 173, 519, 631, 1557, 1893, 4671, 5679, 17037, 109163, 327489, 982467, 2947401]

約数ペア:

[(1, 2947401), (3, 982467), (9, 327489), (27, 109163), (173, 17037), (519, 5679), (631, 4671), (1557, 1893)]