15691131

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{419}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 24864000

約数和(自身を除く): 9172869

約数列:

[1, 3, 9, 19, 27, 57, 73, 171, 219, 419, 513, 657, 1257, 1387, 1971, 3771, 4161, 7961, 11313, 12483, 23883, 30587, 37449, 71649, 91761, 214947, 275283, 581153, 825849, 1743459, 5230377, 15691131]

約数ペア:

[(1, 15691131), (3, 5230377), (9, 1743459), (19, 825849), (27, 581153), (57, 275283), (73, 214947), (171, 91761), (219, 71649), (419, 37449), (513, 30587), (657, 23883), (1257, 12483), (1387, 11313), (1971, 7961), (3771, 4161)]