12897381

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1399}}^1$

素因数の和:1848

約数の個数: 16

約数和(自身を含む): 19712000

約数和(自身を除く): 6814619

約数列:

[1, 3, 7, 21, 439, 1317, 1399, 3073, 4197, 9219, 9793, 29379, 614161, 1842483, 4299127, 12897381]

約数ペア:

[(1, 12897381), (3, 4299127), (7, 1842483), (21, 614161), (439, 29379), (1317, 9793), (1399, 9219), (3073, 4197)]