28190019

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2857}}^1$

素因数の和:2907

約数の個数: 32

約数和(自身を含む): 46093824

約数和(自身を除く): 17903805

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 2857, 3289, 8571, 9867, 31427, 37141, 65711, 94281, 111423, 197133, 408551, 722821, 854243, 1225653, 2168463, 2562729, 9396673, 28190019]

約数ペア:

[(1, 28190019), (3, 9396673), (11, 2562729), (13, 2168463), (23, 1225653), (33, 854243), (39, 722821), (69, 408551), (143, 197133), (253, 111423), (299, 94281), (429, 65711), (759, 37141), (897, 31427), (2857, 9867), (3289, 8571)]