201636945

素因数分解:

$3^4\times 5^1\times {\mathrm{497869}}^1$

素因数の和:497886

約数の個数: 20

約数和(自身を含む): 361453620

約数和(自身を除く): 159816675

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 497869, 1493607, 2489345, 4480821, 7468035, 13442463, 22404105, 40327389, 67212315, 201636945]

約数ペア:

[(1, 201636945), (3, 67212315), (5, 40327389), (9, 22404105), (15, 13442463), (27, 7468035), (45, 4480821), (81, 2489345), (135, 1493607), (405, 497869)]