28421859

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{3779}}^1$

素因数の和:3914

約数の個数: 16

約数和(自身を含む): 39916800

約数和(自身を除く): 11494941

約数列:

[1, 3, 23, 69, 109, 327, 2507, 3779, 7521, 11337, 86917, 260751, 411911, 1235733, 9473953, 28421859]

約数ペア:

[(1, 28421859), (3, 9473953), (23, 1235733), (69, 411911), (109, 260751), (327, 86917), (2507, 11337), (3779, 7521)]