2639601

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{1657}}^1$

素因数の和:1725

約数の個数: 16

約数和(自身を含む): 3979200

約数和(自身を除く): 1339599

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 1657, 4971, 14913, 44739, 97763, 293289, 879867, 2639601]

約数ペア:

[(1, 2639601), (3, 879867), (9, 293289), (27, 97763), (59, 44739), (177, 14913), (531, 4971), (1593, 1657)]