13285215

素因数分解:

$3^4\times 5^1\times {\mathrm{32803}}^1$

素因数の和:32820

約数の個数: 20

約数和(自身を含む): 23815704

約数和(自身を除く): 10530489

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 32803, 98409, 164015, 295227, 492045, 885681, 1476135, 2657043, 4428405, 13285215]

約数ペア:

[(1, 13285215), (3, 4428405), (5, 2657043), (9, 1476135), (15, 885681), (27, 492045), (45, 295227), (81, 164015), (135, 98409), (405, 32803)]