213320469

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{20749}}^1$

素因数の和:20924

約数の個数: 16

約数和(自身を含む): 298800000

約数和(自身を除く): 85479531

約数列:

[1, 3, 23, 69, 149, 447, 3427, 10281, 20749, 62247, 477227, 1431681, 3091601, 9274803, 71106823, 213320469]

約数ペア:

[(1, 213320469), (3, 71106823), (23, 9274803), (69, 3091601), (149, 1431681), (447, 477227), (3427, 62247), (10281, 20749)]