1999485

素因数分解:

$3^4\times 5^1\times {\mathrm{4937}}^1$

素因数の和:4954

約数の個数: 20

約数和(自身を含む): 3584988

約数和(自身を除く): 1585503

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4937, 14811, 24685, 44433, 74055, 133299, 222165, 399897, 666495, 1999485]

約数ペア:

[(1, 1999485), (3, 666495), (5, 399897), (9, 222165), (15, 133299), (27, 74055), (45, 44433), (81, 24685), (135, 14811), (405, 4937)]