397492719

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{143551}}^1$

素因数の和:143638

約数の個数: 16

約数和(自身を含む): 578801664

約数和(自身を除く): 181308945

約数列:

[1, 3, 13, 39, 71, 213, 923, 2769, 143551, 430653, 1866163, 5598489, 10192121, 30576363, 132497573, 397492719]

約数ペア:

[(1, 397492719), (3, 132497573), (13, 30576363), (39, 10192121), (71, 5598489), (213, 1866163), (923, 430653), (2769, 143551)]