9781485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4903}}^1$

素因数の和:4937

約数の個数: 32

約数和(自身を含む): 18831360

約数和(自身を除く): 9049875

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 4903, 14709, 24515, 34321, 73545, 93157, 102963, 171605, 279471, 465785, 514815, 652099, 1397355, 1956297, 3260495, 9781485]

約数ペア:

[(1, 9781485), (3, 3260495), (5, 1956297), (7, 1397355), (15, 652099), (19, 514815), (21, 465785), (35, 279471), (57, 171605), (95, 102963), (105, 93157), (133, 73545), (285, 34321), (399, 24515), (665, 14709), (1995, 4903)]