212781621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1471}}^1\times {\mathrm{3709}}^1$

素因数の和:5196

約数の個数: 16

約数和(自身を含む): 305822720

約数和(自身を除く): 93041099

約数列:

[1, 3, 13, 39, 1471, 3709, 4413, 11127, 19123, 48217, 57369, 144651, 5455939, 16367817, 70927207, 212781621]

約数ペア:

[(1, 212781621), (3, 70927207), (13, 16367817), (39, 5455939), (1471, 144651), (3709, 57369), (4413, 48217), (11127, 19123)]