211676571

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{51241}}^1$

素因数の和:51273

約数の個数: 24

約数和(自身を含む): 335737584

約数和(自身を除く): 124061013

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 51241, 153723, 461169, 871097, 1383507, 2613291, 4150521, 7839873, 12451563, 23519619, 70558857, 211676571]

約数ペア:

[(1, 211676571), (3, 70558857), (9, 23519619), (17, 12451563), (27, 7839873), (51, 4150521), (81, 2613291), (153, 1383507), (243, 871097), (459, 461169), (1377, 153723), (4131, 51241)]