201217731

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20393}}^1$

素因数の和:20443

約数の個数: 32

約数和(自身を含む): 328914432

約数和(自身を除く): 127696701

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 3289, 9867, 20393, 61179, 224323, 265109, 469039, 672969, 795327, 1407117, 2916199, 5159429, 6097507, 8748597, 15478287, 18292521, 67072577, 201217731]

約数ペア:

[(1, 201217731), (3, 67072577), (11, 18292521), (13, 15478287), (23, 8748597), (33, 6097507), (39, 5159429), (69, 2916199), (143, 1407117), (253, 795327), (299, 672969), (429, 469039), (759, 265109), (897, 224323), (3289, 61179), (9867, 20393)]