40640031

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5527}}^1$

素因数の和:5595

約数の個数: 24

約数和(自身を含む): 63240320

約数和(自身を除く): 22600289

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 5527, 7353, 16581, 49743, 105013, 237661, 315039, 712983, 945117, 2138949, 4515559, 13546677, 40640031]

約数ペア:

[(1, 40640031), (3, 13546677), (9, 4515559), (19, 2138949), (43, 945117), (57, 712983), (129, 315039), (171, 237661), (387, 105013), (817, 49743), (2451, 16581), (5527, 7353)]