210006945

素因数分解:

$3^3\times 5^1\times {\mathrm{1555607}}^1$

素因数の和:1555621

約数の個数: 16

約数和(自身を含む): 373345920

約数和(自身を除く): 163338975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1555607, 4666821, 7778035, 14000463, 23334105, 42001389, 70002315, 210006945]

約数ペア:

[(1, 210006945), (3, 70002315), (5, 42001389), (9, 23334105), (15, 14000463), (27, 7778035), (45, 4666821), (135, 1555607)]