31307715

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3361}}^1$

素因数の和:3401

約数の個数: 40

約数和(自身を含む): 58579488

約数和(自身を除く): 27271773

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 3361, 9315, 10083, 16805, 30249, 50415, 77303, 90747, 151245, 231909, 272241, 386515, 453735, 695727, 1159545, 1361205, 2087181, 3478635, 6261543, 10435905, 31307715]

約数ペア:

[(1, 31307715), (3, 10435905), (5, 6261543), (9, 3478635), (15, 2087181), (23, 1361205), (27, 1159545), (45, 695727), (69, 453735), (81, 386515), (115, 272241), (135, 231909), (207, 151245), (345, 90747), (405, 77303), (621, 50415), (1035, 30249), (1863, 16805), (3105, 10083), (3361, 9315)]