15280005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:765

約数の個数: 32

約数和(自身を含む): 26578944

約数和(自身を除く): 11298939

約数列:

[1, 3, 5, 13, 15, 39, 65, 127, 195, 381, 617, 635, 1651, 1851, 1905, 3085, 4953, 8021, 8255, 9255, 24063, 24765, 40105, 78359, 120315, 235077, 391795, 1018667, 1175385, 3056001, 5093335, 15280005]

約数ペア:

[(1, 15280005), (3, 5093335), (5, 3056001), (13, 1175385), (15, 1018667), (39, 391795), (65, 235077), (127, 120315), (195, 78359), (381, 40105), (617, 24765), (635, 24063), (1651, 9255), (1851, 8255), (1905, 8021), (3085, 4953)]