138161709

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{51001}}^1$

素因数の和:51057

約数の個数: 24

約数和(自身を含む): 233385152

約数和(自身を除く): 95223443

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 51001, 153003, 357007, 459009, 1071021, 2193043, 3213063, 6579129, 15351301, 19737387, 46053903, 138161709]

約数ペア:

[(1, 138161709), (3, 46053903), (7, 19737387), (9, 15351301), (21, 6579129), (43, 3213063), (63, 2193043), (129, 1071021), (301, 459009), (387, 357007), (903, 153003), (2709, 51001)]