8413551

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{431}}^1$

素因数の和:684

約数の個数: 20

約数和(自身を含む): 12649824

約数和(自身を除く): 4236273

約数列:

[1, 3, 9, 27, 81, 241, 431, 723, 1293, 2169, 3879, 6507, 11637, 19521, 34911, 103871, 311613, 934839, 2804517, 8413551]

約数ペア:

[(1, 8413551), (3, 2804517), (9, 934839), (27, 311613), (81, 103871), (241, 34911), (431, 19521), (723, 11637), (1293, 6507), (2169, 3879)]