27981075

素因数分解:

$3^1\times 5^2\times {\mathrm{349}}^1\times {\mathrm{1069}}^1$

素因数の和:1431

約数の個数: 24

約数和(自身を含む): 46438000

約数和(自身を除く): 18456925

約数列:

[1, 3, 5, 15, 25, 75, 349, 1047, 1069, 1745, 3207, 5235, 5345, 8725, 16035, 26175, 26725, 80175, 373081, 1119243, 1865405, 5596215, 9327025, 27981075]

約数ペア:

[(1, 27981075), (3, 9327025), (5, 5596215), (15, 1865405), (25, 1119243), (75, 373081), (349, 80175), (1047, 26725), (1069, 26175), (1745, 16035), (3207, 8725), (5235, 5345)]