640509633

素因数分解:

$3^3\times {\mathrm{1901}}^1\times {\mathrm{12479}}^1$

素因数の和:14389

約数の個数: 16

約数和(自身を含む): 949478400

約数和(自身を除く): 308968767

約数列:

[1, 3, 9, 27, 1901, 5703, 12479, 17109, 37437, 51327, 112311, 336933, 23722579, 71167737, 213503211, 640509633]

約数ペア:

[(1, 640509633), (3, 213503211), (9, 71167737), (27, 23722579), (1901, 336933), (5703, 112311), (12479, 51327), (17109, 37437)]