28205331

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17443}}^1$

素因数の和:17471

約数の個数: 24

約数和(自身を含む): 47726784

約数和(自身を除く): 19521453

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17443, 52329, 122101, 191873, 366303, 575619, 854707, 1343111, 2564121, 4029333, 9401777, 28205331]

約数ペア:

[(1, 28205331), (3, 9401777), (7, 4029333), (11, 2564121), (21, 1343111), (33, 854707), (49, 575619), (77, 366303), (147, 191873), (231, 122101), (539, 52329), (1617, 17443)]