205580835

素因数分解:

$3^4\times 5^1\times {\mathrm{507607}}^1$

素因数の和:507624

約数の個数: 20

約数和(自身を含む): 368523408

約数和(自身を除く): 162942573

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 507607, 1522821, 2538035, 4568463, 7614105, 13705389, 22842315, 41116167, 68526945, 205580835]

約数ペア:

[(1, 205580835), (3, 68526945), (5, 41116167), (9, 22842315), (15, 13705389), (27, 7614105), (45, 4568463), (81, 2538035), (135, 1522821), (405, 507607)]