27028287

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21001}}^1$

素因数の和:21031

約数の個数: 24

約数和(自身を含む): 45868368

約数和(自身を除く): 18840081

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 21001, 63003, 189009, 231011, 273013, 693033, 819039, 2079099, 2457117, 3003143, 9009429, 27028287]

約数ペア:

[(1, 27028287), (3, 9009429), (9, 3003143), (11, 2457117), (13, 2079099), (33, 819039), (39, 693033), (99, 273013), (117, 231011), (143, 189009), (429, 63003), (1287, 21001)]