28756437

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 41616384

約数和(自身を除く): 12859947

約数列:

[1, 3, 31, 37, 61, 93, 111, 137, 183, 411, 1147, 1891, 2257, 3441, 4247, 5069, 5673, 6771, 8357, 12741, 15207, 25071, 69967, 157139, 209901, 259067, 309209, 471417, 777201, 927627, 9585479, 28756437]

約数ペア:

[(1, 28756437), (3, 9585479), (31, 927627), (37, 777201), (61, 471417), (93, 309209), (111, 259067), (137, 209901), (183, 157139), (411, 69967), (1147, 25071), (1891, 15207), (2257, 12741), (3441, 8357), (4247, 6771), (5069, 5673)]