27380691

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 45645600

約数和(自身を除く): 18264909

約数列:

[1, 3, 9, 13, 19, 39, 57, 109, 113, 117, 171, 247, 327, 339, 741, 981, 1017, 1417, 1469, 2071, 2147, 2223, 4251, 4407, 6213, 6441, 12317, 12753, 13221, 18639, 19323, 26923, 27911, 36951, 80769, 83733, 110853, 160121, 234023, 242307, 251199, 480363, 702069, 1441089, 2106207, 3042299, 9126897, 27380691]

約数ペア:

[(1, 27380691), (3, 9126897), (9, 3042299), (13, 2106207), (19, 1441089), (39, 702069), (57, 480363), (109, 251199), (113, 242307), (117, 234023), (171, 160121), (247, 110853), (327, 83733), (339, 80769), (741, 36951), (981, 27911), (1017, 26923), (1417, 19323), (1469, 18639), (2071, 13221), (2147, 12753), (2223, 12317), (4251, 6441), (4407, 6213)]