13256817

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 21047040

約数和(自身を除く): 7790223

約数列:

[1, 3, 7, 21, 41, 89, 123, 173, 267, 287, 519, 623, 861, 1211, 1869, 3633, 3649, 7093, 10947, 15397, 21279, 25543, 46191, 49651, 76629, 107779, 148953, 323337, 631277, 1893831, 4418939, 13256817]

約数ペア:

[(1, 13256817), (3, 4418939), (7, 1893831), (21, 631277), (41, 323337), (89, 148953), (123, 107779), (173, 76629), (267, 49651), (287, 46191), (519, 25543), (623, 21279), (861, 15397), (1211, 10947), (1869, 7093), (3633, 3649)]