13608721

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{31}}^2$

素因数の和:110

約数の個数: 27

約数和(自身を含む): 17376507

約数和(自身を除く): 3767786

約数列:

[1, 7, 17, 31, 49, 119, 217, 289, 527, 833, 961, 1519, 2023, 3689, 6727, 8959, 14161, 16337, 25823, 47089, 62713, 114359, 277729, 438991, 800513, 1944103, 13608721]

約数ペア:

[(1, 13608721), (7, 1944103), (17, 800513), (31, 438991), (49, 277729), (119, 114359), (217, 62713), (289, 47089), (527, 25823), (833, 16337), (961, 14161), (1519, 8959), (2023, 6727)]