71510121

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{8741}}^1$

素因数の和:8854

約数の個数: 20

約数和(自身を含む): 107893764

約数和(自身を除く): 36383643

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 8741, 26223, 78669, 236007, 708021, 882841, 2648523, 7945569, 23836707, 71510121]

約数ペア:

[(1, 71510121), (3, 23836707), (9, 7945569), (27, 2648523), (81, 882841), (101, 708021), (303, 236007), (909, 78669), (2727, 26223), (8181, 8741)]