13080249

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15971}}^1$

素因数の和:15997

約数の個数: 24

約数和(自身を含む): 23255232

約数和(自身を除く): 10174983

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 15971, 47913, 111797, 143739, 207623, 335391, 622869, 1006173, 1453361, 1868607, 4360083, 13080249]

約数ペア:

[(1, 13080249), (3, 4360083), (7, 1868607), (9, 1453361), (13, 1006173), (21, 622869), (39, 335391), (63, 207623), (91, 143739), (117, 111797), (273, 47913), (819, 15971)]