13005139

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 16256400

約数和(自身を除く): 3251261

約数列:

[1, 7, 19, 49, 61, 133, 229, 427, 931, 1159, 1603, 2989, 4351, 8113, 11221, 13969, 30457, 56791, 97783, 213199, 265411, 684481, 1857877, 13005139]

約数ペア:

[(1, 13005139), (7, 1857877), (19, 684481), (49, 265411), (61, 213199), (133, 97783), (229, 56791), (427, 30457), (931, 13969), (1159, 11221), (1603, 8113), (2989, 4351)]