209128543

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 242939088

約数和(自身を除く): 33810545

約数列:

[1, 13, 17, 83, 169, 221, 877, 1079, 1411, 2873, 11401, 14027, 14909, 18343, 72791, 148213, 193817, 238459, 946283, 1237447, 2519621, 12301679, 16086811, 209128543]

約数ペア:

[(1, 209128543), (13, 16086811), (17, 12301679), (83, 2519621), (169, 1237447), (221, 946283), (877, 238459), (1079, 193817), (1411, 148213), (2873, 72791), (11401, 18343), (14027, 14909)]