2155990161

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{906259}}^1$

素因数の和:906336

約数の個数: 16

約数和(自身を含む): 3146534720

約数和(自身を除く): 990544559

約数列:

[1, 3, 13, 39, 61, 183, 793, 2379, 906259, 2718777, 11781367, 35344101, 55281799, 165845397, 718663387, 2155990161]

約数ペア:

[(1, 2155990161), (3, 718663387), (13, 165845397), (39, 55281799), (61, 35344101), (183, 11781367), (793, 2718777), (2379, 906259)]