205316415

素因数分解:

$3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{42641}}^1$

素因数の和:42759

約数の個数: 24

約数和(自身を含む): 359216208

約数和(自身を除く): 153899793

約数列:

[1, 3, 5, 9, 15, 45, 107, 321, 535, 963, 1605, 4815, 42641, 127923, 213205, 383769, 639615, 1918845, 4562587, 13687761, 22812935, 41063283, 68438805, 205316415]

約数ペア:

[(1, 205316415), (3, 68438805), (5, 41063283), (9, 22812935), (15, 13687761), (45, 4562587), (107, 1918845), (321, 639615), (535, 383769), (963, 213205), (1605, 127923), (4815, 42641)]