2021857479

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{719}}^1\times {\mathrm{10079}}^1$

素因数の和:10835

約数の個数: 24

約数和(自身を含む): 3019161600

約数和(自身を除く): 997304121

約数列:

[1, 3, 9, 31, 93, 279, 719, 2157, 6471, 10079, 22289, 30237, 66867, 90711, 200601, 312449, 937347, 2812041, 7246801, 21740403, 65221209, 224650831, 673952493, 2021857479]

約数ペア:

[(1, 2021857479), (3, 673952493), (9, 224650831), (31, 65221209), (93, 21740403), (279, 7246801), (719, 2812041), (2157, 937347), (6471, 312449), (10079, 200601), (22289, 90711), (30237, 66867)]