28081443

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23227}}^1$

素因数の和:23274

約数の個数: 16

約数和(自身を含む): 41624576

約数和(自身を除く): 13543133

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 23227, 69681, 301951, 720037, 905853, 2160111, 9360481, 28081443]

約数ペア:

[(1, 28081443), (3, 9360481), (13, 2160111), (31, 905853), (39, 720037), (93, 301951), (403, 69681), (1209, 23227)]