20194209

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4391}}^1$

素因数の和:4477

約数の個数: 24

約数和(自身を含む): 33800832

約数和(自身を除く): 13606623

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4391, 4599, 13173, 30737, 39519, 92211, 276633, 320543, 961629, 2243801, 2884887, 6731403, 20194209]

約数ペア:

[(1, 20194209), (3, 6731403), (7, 2884887), (9, 2243801), (21, 961629), (63, 320543), (73, 276633), (219, 92211), (511, 39519), (657, 30737), (1533, 13173), (4391, 4599)]