2511243

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:165

約数の個数: 40

約数和(自身を含む): 4429568

約数和(自身を除く): 1918325

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 103, 129, 189, 301, 309, 387, 567, 721, 903, 927, 1161, 2163, 2709, 2781, 3483, 4429, 6489, 8127, 8343, 13287, 19467, 24381, 31003, 39861, 58401, 93009, 119583, 279027, 358749, 837081, 2511243]

約数ペア:

[(1, 2511243), (3, 837081), (7, 358749), (9, 279027), (21, 119583), (27, 93009), (43, 58401), (63, 39861), (81, 31003), (103, 24381), (129, 19467), (189, 13287), (301, 8343), (309, 8127), (387, 6489), (567, 4429), (721, 3483), (903, 2781), (927, 2709), (1161, 2163)]