28611747

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2063}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 43789824

約数和(自身を除く): 15178077

約数列:

[1, 3, 9, 23, 67, 69, 201, 207, 603, 1541, 2063, 4623, 6189, 13869, 18567, 47449, 138221, 142347, 414663, 427041, 1243989, 3179083, 9537249, 28611747]

約数ペア:

[(1, 28611747), (3, 9537249), (9, 3179083), (23, 1243989), (67, 427041), (69, 414663), (201, 142347), (207, 138221), (603, 47449), (1541, 18567), (2063, 13869), (4623, 6189)]