28723977

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{2707}}^1$

素因数の和:2850

約数の個数: 20

約数和(自身を含む): 43252176

約数和(自身を除く): 14528199

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 2707, 3537, 8121, 10611, 24363, 73089, 219267, 354617, 1063851, 3191553, 9574659, 28723977]

約数ペア:

[(1, 28723977), (3, 9574659), (9, 3191553), (27, 1063851), (81, 354617), (131, 219267), (393, 73089), (1179, 24363), (2707, 10611), (3537, 8121)]