219311721

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1\times {\mathrm{1789}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 324197640

約数和(自身を除く): 104885919

約数列:

[1, 3, 9, 53, 159, 257, 477, 771, 1789, 2313, 5367, 13621, 16101, 40863, 94817, 122589, 284451, 459773, 853353, 1379319, 4137957, 24367969, 73103907, 219311721]

約数ペア:

[(1, 219311721), (3, 73103907), (9, 24367969), (53, 4137957), (159, 1379319), (257, 853353), (477, 459773), (771, 284451), (1789, 122589), (2313, 94817), (5367, 40863), (13621, 16101)]