2019945681

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{28631}}^1$

素因数の和:28723

約数の個数: 40

約数和(自身を含む): 3298177344

約数和(自身を除く): 1278231663

約数列:

[1, 3, 9, 13, 27, 39, 67, 81, 117, 201, 351, 603, 871, 1053, 1809, 2613, 5427, 7839, 23517, 28631, 70551, 85893, 257679, 372203, 773037, 1116609, 1918277, 2319111, 3349827, 5754831, 10049481, 17264493, 24937601, 30148443, 51793479, 74812803, 155380437, 224438409, 673315227, 2019945681]

約数ペア:

[(1, 2019945681), (3, 673315227), (9, 224438409), (13, 155380437), (27, 74812803), (39, 51793479), (67, 30148443), (81, 24937601), (117, 17264493), (201, 10049481), (351, 5754831), (603, 3349827), (871, 2319111), (1053, 1918277), (1809, 1116609), (2613, 773037), (5427, 372203), (7839, 257679), (23517, 85893), (28631, 70551)]