13149171

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{5641}}^1$

素因数の和:5691

約数の個数: 24

約数和(自身を含む): 22297184

約数和(自身を除く): 9148013

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 5641, 16923, 39487, 50769, 118461, 208717, 355383, 626151, 1461019, 1878453, 4383057, 13149171]

約数ペア:

[(1, 13149171), (3, 4383057), (7, 1878453), (9, 1461019), (21, 626151), (37, 355383), (63, 208717), (111, 118461), (259, 50769), (333, 39487), (777, 16923), (2331, 5641)]