15521385

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4951}}^1$

素因数の和:4989

約数の個数: 32

約数和(自身を含む): 28523520

約数和(自身を除く): 13002135

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 4951, 14853, 24755, 54461, 74265, 94069, 163383, 272305, 282207, 470345, 816915, 1034759, 1411035, 3104277, 5173795, 15521385]

約数ペア:

[(1, 15521385), (3, 5173795), (5, 3104277), (11, 1411035), (15, 1034759), (19, 816915), (33, 470345), (55, 282207), (57, 272305), (95, 163383), (165, 94069), (209, 74265), (285, 54461), (627, 24755), (1045, 14853), (3135, 4951)]