31468833

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:147

約数の個数: 48

約数和(自身を含む): 52071552

約数和(自身を除く): 20602719

約数列:

[1, 3, 9, 11, 33, 37, 71, 99, 111, 121, 213, 333, 363, 407, 639, 781, 1089, 1221, 1331, 2343, 2627, 3663, 3993, 4477, 7029, 7881, 8591, 11979, 13431, 23643, 25773, 28897, 40293, 49247, 77319, 86691, 94501, 147741, 260073, 283503, 317867, 443223, 850509, 953601, 2860803, 3496537, 10489611, 31468833]

約数ペア:

[(1, 31468833), (3, 10489611), (9, 3496537), (11, 2860803), (33, 953601), (37, 850509), (71, 443223), (99, 317867), (111, 283503), (121, 260073), (213, 147741), (333, 94501), (363, 86691), (407, 77319), (639, 49247), (781, 40293), (1089, 28897), (1221, 25773), (1331, 23643), (2343, 13431), (2627, 11979), (3663, 8591), (3993, 7881), (4477, 7029)]