84780189

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{80513}}^1$

素因数の和:80538

約数の個数: 20

約数和(自身を含む): 136390716

約数和(自身を除く): 51610527

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 80513, 241539, 724617, 1046669, 2173851, 3140007, 6521553, 9420021, 28260063, 84780189]

約数ペア:

[(1, 84780189), (3, 28260063), (9, 9420021), (13, 6521553), (27, 3140007), (39, 2173851), (81, 1046669), (117, 724617), (351, 241539), (1053, 80513)]