7942779

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 13484240

約数和(自身を除く): 5541461

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 247, 351, 397, 513, 741, 1053, 1191, 1539, 2223, 3573, 5161, 6669, 7543, 10719, 15483, 20007, 22629, 32157, 46449, 67887, 98059, 139347, 203661, 294177, 418041, 610983, 882531, 2647593, 7942779]

約数ペア:

[(1, 7942779), (3, 2647593), (9, 882531), (13, 610983), (19, 418041), (27, 294177), (39, 203661), (57, 139347), (81, 98059), (117, 67887), (171, 46449), (247, 32157), (351, 22629), (397, 20007), (513, 15483), (741, 10719), (1053, 7543), (1191, 6669), (1539, 5161), (2223, 3573)]