28003701

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{757}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 43660800

約数和(自身を除く): 15657099

約数列:

[1, 3, 11, 19, 33, 57, 59, 177, 209, 627, 649, 757, 1121, 1947, 2271, 3363, 8327, 12331, 14383, 24981, 36993, 43149, 44663, 133989, 158213, 474639, 491293, 848597, 1473879, 2545791, 9334567, 28003701]

約数ペア:

[(1, 28003701), (3, 9334567), (11, 2545791), (19, 1473879), (33, 848597), (57, 491293), (59, 474639), (177, 158213), (209, 133989), (627, 44663), (649, 43149), (757, 36993), (1121, 24981), (1947, 14383), (2271, 12331), (3363, 8327)]