2051213463

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1947971}}^1$

素因数の和:1947996

約数の個数: 20

約数和(自身を含む): 3299864568

約数和(自身を除く): 1248651105

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1947971, 5843913, 17531739, 25323623, 52595217, 75970869, 157785651, 227912607, 683737821, 2051213463]

約数ペア:

[(1, 2051213463), (3, 683737821), (9, 227912607), (13, 157785651), (27, 75970869), (39, 52595217), (81, 25323623), (117, 17531739), (351, 5843913), (1053, 1947971)]