7719219

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:776

約数の個数: 20

約数和(自身を含む): 11623744

約数和(自身を除く): 3904525

約数列:

[1, 3, 9, 27, 81, 157, 471, 607, 1413, 1821, 4239, 5463, 12717, 16389, 49167, 95299, 285897, 857691, 2573073, 7719219]

約数ペア:

[(1, 7719219), (3, 2573073), (9, 857691), (27, 285897), (81, 95299), (157, 49167), (471, 16389), (607, 12717), (1413, 5463), (1821, 4239)]