3997755

素因数分解:

$3^4\times 5^1\times {\mathrm{9871}}^1$

素因数の和:9888

約数の個数: 20

約数和(自身を含む): 7167072

約数和(自身を除く): 3169317

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 9871, 29613, 49355, 88839, 148065, 266517, 444195, 799551, 1332585, 3997755]

約数ペア:

[(1, 3997755), (3, 1332585), (5, 799551), (9, 444195), (15, 266517), (27, 148065), (45, 88839), (81, 49355), (135, 29613), (405, 9871)]