289018881

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1993}}^1$

素因数の和:2174

約数の個数: 32

約数和(自身を含む): 442189440

約数和(自身を除く): 153170559

約数列:

[1, 3, 9, 27, 41, 123, 131, 369, 393, 1107, 1179, 1993, 3537, 5371, 5979, 16113, 17937, 48339, 53811, 81713, 145017, 245139, 261083, 735417, 783249, 2206251, 2349747, 7049241, 10704403, 32113209, 96339627, 289018881]

約数ペア:

[(1, 289018881), (3, 96339627), (9, 32113209), (27, 10704403), (41, 7049241), (123, 2349747), (131, 2206251), (369, 783249), (393, 735417), (1107, 261083), (1179, 245139), (1993, 145017), (3537, 81713), (5371, 53811), (5979, 48339), (16113, 17937)]