420173391

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{2141}}^1$

素因数の和:2487

約数の個数: 32

約数和(自身を含む): 645684480

約数和(自身を除く): 225511089

約数列:

[1, 3, 11, 19, 33, 57, 209, 313, 627, 939, 2141, 3443, 5947, 6423, 10329, 17841, 23551, 40679, 65417, 70653, 122037, 196251, 447469, 670133, 1342407, 2010399, 7371463, 12732527, 22114389, 38197581, 140057797, 420173391]

約数ペア:

[(1, 420173391), (3, 140057797), (11, 38197581), (19, 22114389), (33, 12732527), (57, 7371463), (209, 2010399), (313, 1342407), (627, 670133), (939, 447469), (2141, 196251), (3443, 122037), (5947, 70653), (6423, 65417), (10329, 40679), (17841, 23551)]