13311291

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1091}}^1$

素因数の和:1191

約数の個数: 24

約数和(自身を含む): 20913984

約数和(自身を除く): 7602693

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1091, 1743, 3273, 4067, 7637, 12201, 22911, 53459, 90553, 160377, 271659, 633871, 1901613, 4437097, 13311291]

約数ペア:

[(1, 13311291), (3, 4437097), (7, 1901613), (21, 633871), (49, 271659), (83, 160377), (147, 90553), (249, 53459), (581, 22911), (1091, 12201), (1743, 7637), (3273, 4067)]