15624981

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{8387}}^1$

素因数の和:8422

約数の個数: 20

約数和(自身を含む): 24358752

約数和(自身を除く): 8733771

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 8387, 25161, 75483, 192901, 226449, 578703, 679347, 1736109, 5208327, 15624981]

約数ペア:

[(1, 15624981), (3, 5208327), (9, 1736109), (23, 679347), (27, 578703), (69, 226449), (81, 192901), (207, 75483), (621, 25161), (1863, 8387)]