8987121

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6983}}^1$

素因数の和:7013

約数の個数: 24

約数和(自身を含む): 15253056

約数和(自身を除く): 6265935

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 6983, 20949, 62847, 76813, 90779, 230439, 272337, 691317, 817011, 998569, 2995707, 8987121]

約数ペア:

[(1, 8987121), (3, 2995707), (9, 998569), (11, 817011), (13, 691317), (33, 272337), (39, 230439), (99, 90779), (117, 76813), (143, 62847), (429, 20949), (1287, 6983)]