28981491

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17923}}^1$

素因数の和:17951

約数の個数: 24

約数和(自身を含む): 49040064

約数和(自身を除く): 20058573

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17923, 53769, 125461, 197153, 376383, 591459, 878227, 1380071, 2634681, 4140213, 9660497, 28981491]

約数ペア:

[(1, 28981491), (3, 9660497), (7, 4140213), (11, 2634681), (21, 1380071), (33, 878227), (49, 591459), (77, 376383), (147, 197153), (231, 125461), (539, 53769), (1617, 17923)]