664221

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:336

約数の個数: 16

約数和(自身を含む): 957440

約数和(自身を除く): 293219

約数列:

[1, 3, 19, 43, 57, 129, 271, 813, 817, 2451, 5149, 11653, 15447, 34959, 221407, 664221]

約数ペア:

[(1, 664221), (3, 221407), (19, 34959), (43, 15447), (57, 11653), (129, 5149), (271, 2451), (813, 817)]