81303375

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{11411}}^1$

素因数の和:11448

約数の個数: 32

約数和(自身を含む): 142421760

約数和(自身を除く): 61118385

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 7125, 11411, 34233, 57055, 171165, 216809, 285275, 650427, 855825, 1084045, 1426375, 3252135, 4279125, 5420225, 16260675, 27101125, 81303375]

約数ペア:

[(1, 81303375), (3, 27101125), (5, 16260675), (15, 5420225), (19, 4279125), (25, 3252135), (57, 1426375), (75, 1084045), (95, 855825), (125, 650427), (285, 285275), (375, 216809), (475, 171165), (1425, 57055), (2375, 34233), (7125, 11411)]