9997215

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{18013}}^1$

素因数の和:18058

約数の個数: 16

約数和(自身を含む): 16428768

約数和(自身を除く): 6431553

約数列:

[1, 3, 5, 15, 37, 111, 185, 555, 18013, 54039, 90065, 270195, 666481, 1999443, 3332405, 9997215]

約数ペア:

[(1, 9997215), (3, 3332405), (5, 1999443), (15, 666481), (37, 270195), (111, 90065), (185, 54039), (555, 18013)]