27893889

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:507

約数の個数: 40

約数和(自身を含む): 45163008

約数和(自身を除く): 17269119

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 141, 153, 423, 431, 459, 799, 1269, 1293, 1377, 2397, 3807, 3879, 7191, 7327, 11637, 20257, 21573, 21981, 34911, 60771, 64719, 65943, 182313, 197829, 344369, 546939, 593487, 1033107, 1640817, 3099321, 9297963, 27893889]

約数ペア:

[(1, 27893889), (3, 9297963), (9, 3099321), (17, 1640817), (27, 1033107), (47, 593487), (51, 546939), (81, 344369), (141, 197829), (153, 182313), (423, 65943), (431, 64719), (459, 60771), (799, 34911), (1269, 21981), (1293, 21573), (1377, 20257), (2397, 11637), (3807, 7327), (3879, 7191)]