12838743

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{5113}}^1$

素因数の和:5156

約数の個数: 20

約数和(自身を含む): 19801408

約数和(自身を除く): 6962665

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 5113, 15339, 46017, 138051, 158503, 414153, 475509, 1426527, 4279581, 12838743]

約数ペア:

[(1, 12838743), (3, 4279581), (9, 1426527), (27, 475509), (31, 414153), (81, 158503), (93, 138051), (279, 46017), (837, 15339), (2511, 5113)]