54978381

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7477}}^1$

素因数の和:7545

約数の個数: 24

約数和(自身を含む): 85548320

約数和(自身を除く): 30569939

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 7353, 7477, 22431, 67293, 142063, 321511, 426189, 964533, 1278567, 2893599, 6108709, 18326127, 54978381]

約数ペア:

[(1, 54978381), (3, 18326127), (9, 6108709), (19, 2893599), (43, 1278567), (57, 964533), (129, 426189), (171, 321511), (387, 142063), (817, 67293), (2451, 22431), (7353, 7477)]