31028319

素因数分解:

$3^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 54720000

約数和(自身を除く): 23691681

約数列:

[1, 3, 7, 9, 21, 27, 47, 49, 63, 141, 147, 189, 329, 423, 441, 499, 987, 1269, 1323, 1497, 2303, 2961, 3493, 4491, 6909, 8883, 10479, 13473, 20727, 23453, 24451, 31437, 62181, 70359, 73353, 94311, 164171, 211077, 220059, 492513, 633231, 660177, 1149197, 1477539, 3447591, 4432617, 10342773, 31028319]

約数ペア:

[(1, 31028319), (3, 10342773), (7, 4432617), (9, 3447591), (21, 1477539), (27, 1149197), (47, 660177), (49, 633231), (63, 492513), (141, 220059), (147, 211077), (189, 164171), (329, 94311), (423, 73353), (441, 70359), (499, 62181), (987, 31437), (1269, 24451), (1323, 23453), (1497, 20727), (2303, 13473), (2961, 10479), (3493, 8883), (4491, 6909)]