2891649

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:141

約数の個数: 24

約数和(自身を含む): 4289760

約数和(自身を除く): 1398111

約数列:

[1, 3, 17, 31, 51, 59, 93, 177, 527, 961, 1003, 1581, 1829, 2883, 3009, 5487, 16337, 31093, 49011, 56699, 93279, 170097, 963883, 2891649]

約数ペア:

[(1, 2891649), (3, 963883), (17, 170097), (31, 93279), (51, 56699), (59, 49011), (93, 31093), (177, 16337), (527, 5487), (961, 3009), (1003, 2883), (1581, 1829)]