18451221

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{9221}}^1$

素因数の和:9276

約数の個数: 16

約数和(自身を含む): 26559360

約数和(自身を除く): 8108139

約数列:

[1, 3, 23, 29, 69, 87, 667, 2001, 9221, 27663, 212083, 267409, 636249, 802227, 6150407, 18451221]

約数ペア:

[(1, 18451221), (3, 6150407), (23, 802227), (29, 636249), (69, 267409), (87, 212083), (667, 27663), (2001, 9221)]