208949703

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{887}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 306892800

約数和(自身を除く): 97943097

約数列:

[1, 3, 17, 31, 51, 93, 149, 447, 527, 887, 1581, 2533, 2661, 4619, 7599, 13857, 15079, 27497, 45237, 78523, 82491, 132163, 235569, 396489, 467449, 1402347, 2246771, 4097053, 6740313, 12291159, 69649901, 208949703]

約数ペア:

[(1, 208949703), (3, 69649901), (17, 12291159), (31, 6740313), (51, 4097053), (93, 2246771), (149, 1402347), (447, 467449), (527, 396489), (887, 235569), (1581, 132163), (2533, 82491), (2661, 78523), (4619, 45237), (7599, 27497), (13857, 15079)]