13680639

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5869}}^1$

素因数の和:5919

約数の個数: 24

約数和(自身を含む): 23198240

約数和(自身を除く): 9517601

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 5869, 17607, 41083, 52821, 123249, 217153, 369747, 651459, 1520071, 1954377, 4560213, 13680639]

約数ペア:

[(1, 13680639), (3, 4560213), (7, 1954377), (9, 1520071), (21, 651459), (37, 369747), (63, 217153), (111, 123249), (259, 52821), (333, 41083), (777, 17607), (2331, 5869)]