2081403

素因数分解:

$3^3\times {\mathrm{127}}^1\times {\mathrm{607}}^1$

素因数の和:743

約数の個数: 16

約数和(自身を含む): 3112960

約数和(自身を除く): 1031557

約数列:

[1, 3, 9, 27, 127, 381, 607, 1143, 1821, 3429, 5463, 16389, 77089, 231267, 693801, 2081403]

約数ペア:

[(1, 2081403), (3, 693801), (9, 231267), (27, 77089), (127, 16389), (381, 5463), (607, 3429), (1143, 1821)]