13980681

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 80

約数和(自身を含む): 26345088

約数和(自身を除く): 12364407

約数列:

[1, 3, 9, 11, 13, 17, 27, 33, 39, 51, 71, 81, 99, 117, 143, 153, 187, 213, 221, 297, 351, 429, 459, 561, 639, 663, 781, 891, 923, 1053, 1207, 1287, 1377, 1683, 1917, 1989, 2343, 2431, 2769, 3621, 3861, 5049, 5751, 5967, 7029, 7293, 8307, 10153, 10863, 11583, 13277, 15147, 15691, 17901, 21087, 21879, 24921, 30459, 32589, 39831, 47073, 63261, 65637, 74763, 91377, 97767, 119493, 141219, 172601, 196911, 274131, 358479, 423657, 517803, 822393, 1075437, 1270971, 1553409, 4660227, 13980681]

約数ペア:

[(1, 13980681), (3, 4660227), (9, 1553409), (11, 1270971), (13, 1075437), (17, 822393), (27, 517803), (33, 423657), (39, 358479), (51, 274131), (71, 196911), (81, 172601), (99, 141219), (117, 119493), (143, 97767), (153, 91377), (187, 74763), (213, 65637), (221, 63261), (297, 47073), (351, 39831), (429, 32589), (459, 30459), (561, 24921), (639, 21879), (663, 21087), (781, 17901), (891, 15691), (923, 15147), (1053, 13277), (1207, 11583), (1287, 10863), (1377, 10153), (1683, 8307), (1917, 7293), (1989, 7029), (2343, 5967), (2431, 5751), (2769, 5049), (3621, 3861)]