28560207

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23623}}^1$

素因数の和:23670

約数の個数: 16

約数和(自身を含む): 42334208

約数和(自身を除く): 13774001

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 23623, 70869, 307099, 732313, 921297, 2196939, 9520069, 28560207]

約数ペア:

[(1, 28560207), (3, 9520069), (13, 2196939), (31, 921297), (39, 732313), (93, 307099), (403, 70869), (1209, 23623)]