12988891971

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{199697}}^1$

素因数の和:199793

約数の個数: 40

約数和(自身を含む): 21457150704

約数和(自身を除く): 8468258733

約数列:

[1, 3, 9, 11, 27, 33, 73, 81, 99, 219, 297, 657, 803, 891, 1971, 2409, 5913, 7227, 21681, 65043, 199697, 599091, 1797273, 2196667, 5391819, 6590001, 14577881, 16175457, 19770003, 43733643, 59310009, 131200929, 160356691, 177930027, 393602787, 481070073, 1180808361, 1443210219, 4329630657, 12988891971]

約数ペア:

[(1, 12988891971), (3, 4329630657), (9, 1443210219), (11, 1180808361), (27, 481070073), (33, 393602787), (73, 177930027), (81, 160356691), (99, 131200929), (219, 59310009), (297, 43733643), (657, 19770003), (803, 16175457), (891, 14577881), (1971, 6590001), (2409, 5391819), (5913, 2196667), (7227, 1797273), (21681, 599091), (65043, 199697)]