128206725

素因数分解:

$3^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{19207}}^1$

素因数の和:19309

約数の個数: 24

約数和(自身を含む): 214361280

約数和(自身を除く): 86154555

約数列:

[1, 3, 5, 15, 25, 75, 89, 267, 445, 1335, 2225, 6675, 19207, 57621, 96035, 288105, 480175, 1440525, 1709423, 5128269, 8547115, 25641345, 42735575, 128206725]

約数ペア:

[(1, 128206725), (3, 42735575), (5, 25641345), (15, 8547115), (25, 5128269), (75, 1709423), (89, 1440525), (267, 480175), (445, 288105), (1335, 96035), (2225, 57621), (6675, 19207)]