815475

素因数分解:

$3^1\times 5^2\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 24

約数和(自身を含む): 1374912

約数和(自身を除く): 559437

約数列:

[1, 3, 5, 15, 25, 75, 83, 131, 249, 393, 415, 655, 1245, 1965, 2075, 3275, 6225, 9825, 10873, 32619, 54365, 163095, 271825, 815475]

約数ペア:

[(1, 815475), (3, 271825), (5, 163095), (15, 54365), (25, 32619), (75, 10873), (83, 9825), (131, 6225), (249, 3275), (393, 2075), (415, 1965), (655, 1245)]