7929441

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:111

約数の個数: 64

約数和(自身を含む): 14112000

約数和(自身を除く): 6182559

約数列:

[1, 3, 9, 13, 19, 27, 29, 39, 41, 57, 87, 117, 123, 171, 247, 261, 351, 369, 377, 513, 533, 551, 741, 779, 783, 1107, 1131, 1189, 1599, 1653, 2223, 2337, 3393, 3567, 4797, 4959, 6669, 7011, 7163, 10127, 10179, 10701, 14391, 14877, 15457, 21033, 21489, 22591, 30381, 32103, 46371, 64467, 67773, 91143, 139113, 193401, 203319, 273429, 293683, 417339, 609957, 881049, 2643147, 7929441]

約数ペア:

[(1, 7929441), (3, 2643147), (9, 881049), (13, 609957), (19, 417339), (27, 293683), (29, 273429), (39, 203319), (41, 193401), (57, 139113), (87, 91143), (117, 67773), (123, 64467), (171, 46371), (247, 32103), (261, 30381), (351, 22591), (369, 21489), (377, 21033), (513, 15457), (533, 14877), (551, 14391), (741, 10701), (779, 10179), (783, 10127), (1107, 7163), (1131, 7011), (1189, 6669), (1599, 4959), (1653, 4797), (2223, 3567), (2337, 3393)]