28751619

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17981}}^1$

素因数の和:18038

約数の個数: 16

約数和(自身を含む): 42293664

約数和(自身を除く): 13542045

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 17981, 53943, 233753, 701259, 737221, 2211663, 9583873, 28751619]

約数ペア:

[(1, 28751619), (3, 9583873), (13, 2211663), (39, 737221), (41, 701259), (123, 233753), (533, 53943), (1599, 17981)]