28405779

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1\times {\mathrm{821}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 39982080

約数和(自身を除く): 11576301

約数列:

[1, 3, 19, 57, 607, 821, 1821, 2463, 11533, 15599, 34599, 46797, 498347, 1495041, 9468593, 28405779]

約数ペア:

[(1, 28405779), (3, 9468593), (19, 1495041), (57, 498347), (607, 46797), (821, 34599), (1821, 15599), (2463, 11533)]