2155979001

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{1321}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 3336389568

約数和(自身を除く): 1180410567

約数列:

[1, 3, 11, 19, 33, 57, 137, 209, 361, 411, 627, 1083, 1321, 1507, 2603, 3963, 3971, 4521, 7809, 11913, 14531, 25099, 28633, 43593, 49457, 75297, 85899, 148371, 180977, 276089, 476881, 542931, 544027, 828267, 1430643, 1632081, 1990747, 3438563, 5245691, 5972241, 10315689, 15737073, 37824193, 65332697, 113472579, 195998091, 718659667, 2155979001]

約数ペア:

[(1, 2155979001), (3, 718659667), (11, 195998091), (19, 113472579), (33, 65332697), (57, 37824193), (137, 15737073), (209, 10315689), (361, 5972241), (411, 5245691), (627, 3438563), (1083, 1990747), (1321, 1632081), (1507, 1430643), (2603, 828267), (3963, 544027), (3971, 542931), (4521, 476881), (7809, 276089), (11913, 180977), (14531, 148371), (25099, 85899), (28633, 75297), (43593, 49457)]