1664169

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 2427264

約数和(自身を除く): 763095

約数列:

[1, 3, 13, 39, 71, 213, 601, 923, 1803, 2769, 7813, 23439, 42671, 128013, 554723, 1664169]

約数ペア:

[(1, 1664169), (3, 554723), (13, 128013), (39, 42671), (71, 23439), (213, 7813), (601, 2769), (923, 1803)]