72539919

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1861}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 108055584

約数和(自身を除く): 35515665

約数列:

[1, 3, 9, 61, 71, 183, 213, 549, 639, 1861, 4331, 5583, 12993, 16749, 38979, 113521, 132131, 340563, 396393, 1021689, 1189179, 8059991, 24179973, 72539919]

約数ペア:

[(1, 72539919), (3, 24179973), (9, 8059991), (61, 1189179), (71, 1021689), (183, 396393), (213, 340563), (549, 132131), (639, 113521), (1861, 38979), (4331, 16749), (5583, 12993)]