1278777

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 1824768

約数和(自身を除く): 545991

約数列:

[1, 3, 23, 43, 69, 129, 431, 989, 1293, 2967, 9913, 18533, 29739, 55599, 426259, 1278777]

約数ペア:

[(1, 1278777), (3, 426259), (23, 55599), (43, 29739), (69, 18533), (129, 9913), (431, 2967), (989, 1293)]