217932687

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6301}}^1$

素因数の和:6381

約数の個数: 40

約数和(自身を含む): 378220832

約数和(自身を除く): 160288145

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1647, 3843, 4941, 6301, 11529, 18903, 34587, 44107, 56709, 132321, 170127, 384361, 396963, 510381, 1153083, 1190889, 2690527, 3459249, 3572667, 8071581, 10377747, 24214743, 31133241, 72644229, 217932687]

約数ペア:

[(1, 217932687), (3, 72644229), (7, 31133241), (9, 24214743), (21, 10377747), (27, 8071581), (61, 3572667), (63, 3459249), (81, 2690527), (183, 1190889), (189, 1153083), (427, 510381), (549, 396963), (567, 384361), (1281, 170127), (1647, 132321), (3843, 56709), (4941, 44107), (6301, 34587), (11529, 18903)]