28295787

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{19609}}^1$

素因数の和:19662

約数の個数: 16

約数和(自身を含む): 41730080

約数和(自身を除く): 13434293

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 19609, 58827, 254917, 725533, 764751, 2176599, 9431929, 28295787]

約数ペア:

[(1, 28295787), (3, 9431929), (13, 2176599), (37, 764751), (39, 725533), (111, 254917), (481, 58827), (1443, 19609)]