13856913

素因数分解:

$3^4\times 7^1\times {\mathrm{24439}}^1$

素因数の和:24458

約数の個数: 20

約数和(自身を含む): 23657920

約数和(自身を除く): 9801007

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 24439, 73317, 171073, 219951, 513219, 659853, 1539657, 1979559, 4618971, 13856913]

約数ペア:

[(1, 13856913), (3, 4618971), (7, 1979559), (9, 1539657), (21, 659853), (27, 513219), (63, 219951), (81, 171073), (189, 73317), (567, 24439)]