1378287

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{4139}}^1$

素因数の和:4182

約数の個数: 12

約数和(自身を含む): 2045160

約数和(自身を除く): 666873

約数列:

[1, 3, 9, 37, 111, 333, 4139, 12417, 37251, 153143, 459429, 1378287]

約数ペア:

[(1, 1378287), (3, 459429), (9, 153143), (37, 37251), (111, 12417), (333, 4139)]