1940031

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:612

約数の個数: 20

約数和(自身を含む): 2970792

約数和(自身を除く): 1030761

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 557, 1161, 1671, 3483, 5013, 15039, 23951, 45117, 71853, 215559, 646677, 1940031]

約数ペア:

[(1, 1940031), (3, 646677), (9, 215559), (27, 71853), (43, 45117), (81, 23951), (129, 15039), (387, 5013), (557, 3483), (1161, 1671)]