2179981191

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1\times {\mathrm{39209}}^1$

素因数の和:39686

約数の個数: 16

約数和(自身を含む): 2981214720

約数和(自身を除く): 801233529

約数列:

[1, 3, 43, 129, 431, 1293, 18533, 39209, 55599, 117627, 1685987, 5057961, 16899079, 50697237, 726660397, 2179981191]

約数ペア:

[(1, 2179981191), (3, 726660397), (43, 50697237), (129, 16899079), (431, 5057961), (1293, 1685987), (18533, 117627), (39209, 55599)]