2981349

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1329

約数の個数: 24

約数和(自身を含む): 5058560

約数和(自身を除く): 2077211

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 1279, 2331, 3837, 8953, 11511, 26859, 47323, 80577, 141969, 331261, 425907, 993783, 2981349]

約数ペア:

[(1, 2981349), (3, 993783), (7, 425907), (9, 331261), (21, 141969), (37, 80577), (63, 47323), (111, 26859), (259, 11511), (333, 8953), (777, 3837), (1279, 2331)]