81759945

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{6997}}^1$

素因数の和:7065

約数の個数: 32

約数和(自身を含む): 141079680

約数和(自身を除く): 59319735

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 2337, 3895, 6997, 11685, 20991, 34985, 104955, 132943, 286877, 398829, 664715, 860631, 1434385, 1994145, 4303155, 5450663, 16351989, 27253315, 81759945]

約数ペア:

[(1, 81759945), (3, 27253315), (5, 16351989), (15, 5450663), (19, 4303155), (41, 1994145), (57, 1434385), (95, 860631), (123, 664715), (205, 398829), (285, 286877), (615, 132943), (779, 104955), (2337, 34985), (3895, 20991), (6997, 11685)]