1997865

素因数分解:

$3^4\times 5^1\times {\mathrm{4933}}^1$

素因数の和:4950

約数の個数: 20

約数和(自身を含む): 3582084

約数和(自身を除く): 1584219

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4933, 14799, 24665, 44397, 73995, 133191, 221985, 399573, 665955, 1997865]

約数ペア:

[(1, 1997865), (3, 665955), (5, 399573), (9, 221985), (15, 133191), (27, 73995), (45, 44397), (81, 24665), (135, 14799), (405, 4933)]