80215947

素因数分解:

$3^3\times 7^1\times {\mathrm{424423}}^1$

素因数の和:424439

約数の個数: 16

約数和(自身を含む): 135815680

約数和(自身を除く): 55599733

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 424423, 1273269, 2970961, 3819807, 8912883, 11459421, 26738649, 80215947]

約数ペア:

[(1, 80215947), (3, 26738649), (7, 11459421), (9, 8912883), (21, 3819807), (27, 2970961), (63, 1273269), (189, 424423)]