15987537

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{6367}}^1$

素因数の和:6410

約数の個数: 20

約数和(自身を含む): 24656896

約数和(自身を除く): 8669359

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 6367, 19101, 57303, 171909, 197377, 515727, 592131, 1776393, 5329179, 15987537]

約数ペア:

[(1, 15987537), (3, 5329179), (9, 1776393), (27, 592131), (31, 515727), (81, 197377), (93, 171909), (279, 57303), (837, 19101), (2511, 6367)]