28205727

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{12757}}^1$

素因数の和:12838

約数の個数: 16

約数和(自身を含む): 41642112

約数和(自身を除く): 13436385

約数列:

[1, 3, 11, 33, 67, 201, 737, 2211, 12757, 38271, 140327, 420981, 854719, 2564157, 9401909, 28205727]

約数ペア:

[(1, 28205727), (3, 9401909), (11, 2564157), (33, 854719), (67, 420981), (201, 140327), (737, 38271), (2211, 12757)]