31720317

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{7873}}^1$

素因数の和:7972

約数の個数: 16

約数和(自身を含む): 45354240

約数和(自身を除く): 13633923

約数列:

[1, 3, 17, 51, 79, 237, 1343, 4029, 7873, 23619, 133841, 401523, 621967, 1865901, 10573439, 31720317]

約数ペア:

[(1, 31720317), (3, 10573439), (17, 1865901), (51, 621967), (79, 401523), (237, 133841), (1343, 23619), (4029, 7873)]