278639871

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{93913}}^1$

素因数の和:93982

約数の個数: 16

約数和(自身を含む): 396692736

約数和(自身を除く): 118052865

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 93913, 281739, 2159999, 4038259, 6479997, 12114777, 92879957, 278639871]

約数ペア:

[(1, 278639871), (3, 92879957), (23, 12114777), (43, 6479997), (69, 4038259), (129, 2159999), (989, 281739), (2967, 93913)]