12993967

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 16867440

約数和(自身を除く): 3873473

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 821, 833, 931, 2261, 5747, 13957, 15599, 15827, 40229, 97699, 109193, 265183, 683893, 764351, 1856281, 12993967]

約数ペア:

[(1, 12993967), (7, 1856281), (17, 764351), (19, 683893), (49, 265183), (119, 109193), (133, 97699), (323, 40229), (821, 15827), (833, 15599), (931, 13957), (2261, 5747)]