1242405

素因数分解:

$3^3\times 5^1\times {\mathrm{9203}}^1$

素因数の和:9217

約数の個数: 16

約数和(自身を含む): 2208960

約数和(自身を除く): 966555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 9203, 27609, 46015, 82827, 138045, 248481, 414135, 1242405]

約数ペア:

[(1, 1242405), (3, 414135), (5, 248481), (9, 138045), (15, 82827), (27, 46015), (45, 27609), (135, 9203)]