78375

素因数分解:

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

素因数の和:48

約数の個数: 32

約数和(自身を含む): 149760

約数和(自身を除く): 71385

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 125, 165, 209, 275, 285, 375, 475, 627, 825, 1045, 1375, 1425, 2375, 3135, 4125, 5225, 7125, 15675, 26125, 78375]

約数ペア:

[(1, 78375), (3, 26125), (5, 15675), (11, 7125), (15, 5225), (19, 4125), (25, 3135), (33, 2375), (55, 1425), (57, 1375), (75, 1045), (95, 825), (125, 627), (165, 475), (209, 375), (275, 285)]