78000381

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{28603}}^1$

素因数の和:28713

約数の個数: 16

約数和(自身を含む): 116704320

約数和(自身を除く): 38703939

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 28603, 85809, 257427, 772281, 2888903, 8666709, 26000127, 78000381]

約数ペア:

[(1, 78000381), (3, 26000127), (9, 8666709), (27, 2888903), (101, 772281), (303, 257427), (909, 85809), (2727, 28603)]