11747421

素因数分解:

$3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{709}}^1$

素因数の和:985

約数の個数: 24

約数和(自身を含む): 19493760

約数和(自身を除く): 7746339

約数列:

[1, 3, 7, 9, 21, 63, 263, 709, 789, 1841, 2127, 2367, 4963, 5523, 6381, 14889, 16569, 44667, 186467, 559401, 1305269, 1678203, 3915807, 11747421]

約数ペア:

[(1, 11747421), (3, 3915807), (7, 1678203), (9, 1305269), (21, 559401), (63, 186467), (263, 44667), (709, 16569), (789, 14889), (1841, 6381), (2127, 5523), (2367, 4963)]