210796695

素因数分解:

$3^3\times 5^1\times {\mathrm{1561457}}^1$

素因数の和:1561471

約数の個数: 16

約数和(自身を含む): 374749920

約数和(自身を除く): 163953225

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1561457, 4684371, 7807285, 14053113, 23421855, 42159339, 70265565, 210796695]

約数ペア:

[(1, 210796695), (3, 70265565), (5, 42159339), (9, 23421855), (15, 14053113), (27, 7807285), (45, 4684371), (135, 1561457)]