23303721

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 36799488

約数和(自身を除く): 13495767

約数列:

[1, 3, 7, 21, 43, 129, 131, 197, 301, 393, 591, 903, 917, 1379, 2751, 4137, 5633, 8471, 16899, 25413, 25807, 39431, 59297, 77421, 118293, 177891, 180649, 541947, 1109701, 3329103, 7767907, 23303721]

約数ペア:

[(1, 23303721), (3, 7767907), (7, 3329103), (21, 1109701), (43, 541947), (129, 180649), (131, 177891), (197, 118293), (301, 77421), (393, 59297), (591, 39431), (903, 25807), (917, 25413), (1379, 16899), (2751, 8471), (4137, 5633)]