13465221

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 22726656

約数和(自身を除く): 9261435

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 213, 231, 497, 781, 821, 1491, 2343, 2463, 5467, 5747, 9031, 16401, 17241, 27093, 58291, 63217, 174873, 189651, 408037, 641201, 1224111, 1923603, 4488407, 13465221]

約数ペア:

[(1, 13465221), (3, 4488407), (7, 1923603), (11, 1224111), (21, 641201), (33, 408037), (71, 189651), (77, 174873), (213, 63217), (231, 58291), (497, 27093), (781, 17241), (821, 16401), (1491, 9031), (2343, 5747), (2463, 5467)]