72561987

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{12983}}^1$

素因数の和:13021

約数の個数: 24

約数和(自身を含む): 113428224

約数和(自身を除く): 40866237

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 243, 621, 1863, 5589, 12983, 38949, 116847, 298609, 350541, 895827, 1051623, 2687481, 3154869, 8062443, 24187329, 72561987]

約数ペア:

[(1, 72561987), (3, 24187329), (9, 8062443), (23, 3154869), (27, 2687481), (69, 1051623), (81, 895827), (207, 350541), (243, 298609), (621, 116847), (1863, 38949), (5589, 12983)]