12731439

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1381}}^1$

素因数の和:1830

約数の個数: 16

約数和(自身を含む): 19458560

約数和(自身を除く): 6727121

約数列:

[1, 3, 7, 21, 439, 1317, 1381, 3073, 4143, 9219, 9667, 29001, 606259, 1818777, 4243813, 12731439]

約数ペア:

[(1, 12731439), (3, 4243813), (7, 1818777), (21, 606259), (439, 29001), (1317, 9667), (1381, 9219), (3073, 4143)]