2887731

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1$

素因数の和:493

約数の個数: 40

約数和(自身を含む): 5389824

約数和(自身を除く): 2502093

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 463, 567, 693, 891, 1389, 2079, 3241, 4167, 5093, 6237, 9723, 12501, 15279, 29169, 35651, 37503, 45837, 87507, 106953, 137511, 262521, 320859, 412533, 962577, 2887731]

約数ペア:

[(1, 2887731), (3, 962577), (7, 412533), (9, 320859), (11, 262521), (21, 137511), (27, 106953), (33, 87507), (63, 45837), (77, 37503), (81, 35651), (99, 29169), (189, 15279), (231, 12501), (297, 9723), (463, 6237), (567, 5093), (693, 4167), (891, 3241), (1389, 2079)]