7978509

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{397}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 14901120

約数和(自身を除く): 6922611

約数列:

[1, 3, 7, 9, 11, 21, 29, 33, 63, 77, 87, 99, 203, 231, 261, 319, 397, 609, 693, 957, 1191, 1827, 2233, 2779, 2871, 3573, 4367, 6699, 8337, 11513, 13101, 20097, 25011, 30569, 34539, 39303, 80591, 91707, 103617, 126643, 241773, 275121, 379929, 725319, 886501, 1139787, 2659503, 7978509]

約数ペア:

[(1, 7978509), (3, 2659503), (7, 1139787), (9, 886501), (11, 725319), (21, 379929), (29, 275121), (33, 241773), (63, 126643), (77, 103617), (87, 91707), (99, 80591), (203, 39303), (231, 34539), (261, 30569), (319, 25011), (397, 20097), (609, 13101), (693, 11513), (957, 8337), (1191, 6699), (1827, 4367), (2233, 3573), (2779, 2871)]