28541289

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{33149}}^1$

素因数の和:33200

約数の個数: 16

約数和(自身を含む): 44553600

約数和(自身を除く): 16012311

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 33149, 99447, 232043, 696129, 1359109, 4077327, 9513763, 28541289]

約数ペア:

[(1, 28541289), (3, 9513763), (7, 4077327), (21, 1359109), (41, 696129), (123, 232043), (287, 99447), (861, 33149)]