30811407

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{313}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 47627520

約数和(自身を除く): 16816113

約数列:

[1, 3, 11, 19, 33, 57, 157, 209, 313, 471, 627, 939, 1727, 2983, 3443, 5181, 5947, 8949, 10329, 17841, 32813, 49141, 65417, 98439, 147423, 196251, 540551, 933679, 1621653, 2801037, 10270469, 30811407]

約数ペア:

[(1, 30811407), (3, 10270469), (11, 2801037), (19, 1621653), (33, 933679), (57, 540551), (157, 196251), (209, 147423), (313, 98439), (471, 65417), (627, 49141), (939, 32813), (1727, 17841), (2983, 10329), (3443, 8949), (5181, 5947)]