287025

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 491040

約数和(自身を除く): 204015

約数列:

[1, 3, 5, 15, 25, 43, 75, 89, 129, 215, 267, 445, 645, 1075, 1335, 2225, 3225, 3827, 6675, 11481, 19135, 57405, 95675, 287025]

約数ペア:

[(1, 287025), (3, 95675), (5, 57405), (15, 19135), (25, 11481), (43, 6675), (75, 3827), (89, 3225), (129, 2225), (215, 1335), (267, 1075), (445, 645)]