28654809

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4289}}^1$

素因数の和:4440

約数の個数: 16

約数和(自身を含む): 40772160

約数和(自身を除く): 12117351

約数列:

[1, 3, 17, 51, 131, 393, 2227, 4289, 6681, 12867, 72913, 218739, 561859, 1685577, 9551603, 28654809]

約数ペア:

[(1, 28654809), (3, 9551603), (17, 1685577), (51, 561859), (131, 218739), (393, 72913), (2227, 12867), (4289, 6681)]