80976519

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{53239}}^1$

素因数の和:53271

約数の個数: 18

約数和(自身を含む): 126657960

約数和(自身を除く): 45681441

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 53239, 159717, 479151, 692107, 2076321, 6228963, 8997391, 26992173, 80976519]

約数ペア:

[(1, 80976519), (3, 26992173), (9, 8997391), (13, 6228963), (39, 2076321), (117, 692107), (169, 479151), (507, 159717), (1521, 53239)]