2490831

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:233

約数の個数: 40

約数和(自身を含む): 4460544

約数和(自身を除く): 1969713

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 191, 207, 483, 567, 573, 621, 1337, 1449, 1719, 1863, 4011, 4347, 4393, 5157, 12033, 13041, 13179, 15471, 30751, 36099, 39537, 92253, 108297, 118611, 276759, 355833, 830277, 2490831]

約数ペア:

[(1, 2490831), (3, 830277), (7, 355833), (9, 276759), (21, 118611), (23, 108297), (27, 92253), (63, 39537), (69, 36099), (81, 30751), (161, 15471), (189, 13179), (191, 13041), (207, 12033), (483, 5157), (567, 4393), (573, 4347), (621, 4011), (1337, 1863), (1449, 1719)]