15631317

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:314

約数の個数: 36

約数和(自身を含む): 25122240

約数和(自身を除く): 9490923

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 169, 239, 387, 507, 559, 717, 1521, 1677, 2151, 3107, 5031, 7267, 9321, 10277, 21801, 27963, 30831, 40391, 65403, 92493, 121173, 133601, 363519, 400803, 1202409, 1736813, 5210439, 15631317]

約数ペア:

[(1, 15631317), (3, 5210439), (9, 1736813), (13, 1202409), (39, 400803), (43, 363519), (117, 133601), (129, 121173), (169, 92493), (239, 65403), (387, 40391), (507, 30831), (559, 27963), (717, 21801), (1521, 10277), (1677, 9321), (2151, 7267), (3107, 5031)]