2013203565

素因数分解:

$3^4\times 5^1\times {\mathrm{4970873}}^1$

素因数の和:4970890

約数の個数: 20

約数和(自身を含む): 3608854524

約数和(自身を除く): 1595650959

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4970873, 14912619, 24854365, 44737857, 74563095, 134213571, 223689285, 402640713, 671067855, 2013203565]

約数ペア:

[(1, 2013203565), (3, 671067855), (5, 402640713), (9, 223689285), (15, 134213571), (27, 74563095), (45, 44737857), (81, 24854365), (135, 14912619), (405, 4970873)]