297243261

素因数分解:

$3^2\times 7^2\times {\mathrm{421}}^1\times {\mathrm{1601}}^1$

素因数の和:2042

約数の個数: 36

約数和(自身を含む): 500948604

約数和(自身を除く): 203705343

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 421, 441, 1263, 1601, 2947, 3789, 4803, 8841, 11207, 14409, 20629, 26523, 33621, 61887, 78449, 100863, 185661, 235347, 674021, 706041, 2022063, 4718147, 6066189, 14154441, 33027029, 42463323, 99081087, 297243261]

約数ペア:

[(1, 297243261), (3, 99081087), (7, 42463323), (9, 33027029), (21, 14154441), (49, 6066189), (63, 4718147), (147, 2022063), (421, 706041), (441, 674021), (1263, 235347), (1601, 185661), (2947, 100863), (3789, 78449), (4803, 61887), (8841, 33621), (11207, 26523), (14409, 20629)]