28115217

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5861}}^1$

素因数の和:5921

約数の個数: 24

約数和(自身を含む): 44809128

約数和(自身を除く): 16693911

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4797, 5861, 17583, 52749, 76193, 228579, 240301, 685737, 720903, 2162709, 3123913, 9371739, 28115217]

約数ペア:

[(1, 28115217), (3, 9371739), (9, 3123913), (13, 2162709), (39, 720903), (41, 685737), (117, 240301), (123, 228579), (369, 76193), (533, 52749), (1599, 17583), (4797, 5861)]