26997921

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 15770079

約数列:

[1, 3, 9, 17, 27, 51, 131, 153, 393, 449, 459, 1179, 1347, 2227, 3537, 4041, 6681, 7633, 12123, 20043, 22899, 58819, 60129, 68697, 176457, 206091, 529371, 999923, 1588113, 2999769, 8999307, 26997921]

約数ペア:

[(1, 26997921), (3, 8999307), (9, 2999769), (17, 1588113), (27, 999923), (51, 529371), (131, 206091), (153, 176457), (393, 68697), (449, 60129), (459, 58819), (1179, 22899), (1347, 20043), (2227, 12123), (3537, 7633), (4041, 6681)]