86965281

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20089}}^1$

素因数の和:20145

約数の個数: 24

約数和(自身を含む): 138942440

約数和(自身を除く): 51977159

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 481, 1443, 4329, 20089, 60267, 180801, 261157, 743293, 783471, 2229879, 2350413, 6689637, 9662809, 28988427, 86965281]

約数ペア:

[(1, 86965281), (3, 28988427), (9, 9662809), (13, 6689637), (37, 2350413), (39, 2229879), (111, 783471), (117, 743293), (333, 261157), (481, 180801), (1443, 60267), (4329, 20089)]