28129605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{267901}}^1$

素因数の和:267916

約数の個数: 16

約数和(自身を含む): 51437184

約数和(自身を除く): 23307579

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 267901, 803703, 1339505, 1875307, 4018515, 5625921, 9376535, 28129605]

約数ペア:

[(1, 28129605), (3, 9376535), (5, 5625921), (7, 4018515), (15, 1875307), (21, 1339505), (35, 803703), (105, 267901)]