28769097

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72103}}^1$

素因数の和:72132

約数の個数: 16

約数和(自身を含む): 46146560

約数和(自身を除く): 17377463

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72103, 216309, 504721, 1369957, 1514163, 4109871, 9589699, 28769097]

約数ペア:

[(1, 28769097), (3, 9589699), (7, 4109871), (19, 1514163), (21, 1369957), (57, 504721), (133, 216309), (399, 72103)]