311944581

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{2111}}^1$

素因数の和:2554

約数の個数: 32

約数和(自身を含む): 499107840

約数和(自身を除く): 187163259

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 421, 1263, 2111, 3789, 5473, 6333, 11367, 16419, 18999, 27443, 49257, 56997, 82329, 147771, 246987, 740961, 888731, 2666193, 7998579, 11553503, 23995737, 34660509, 103981527, 311944581]

約数ペア:

[(1, 311944581), (3, 103981527), (9, 34660509), (13, 23995737), (27, 11553503), (39, 7998579), (117, 2666193), (351, 888731), (421, 740961), (1263, 246987), (2111, 147771), (3789, 82329), (5473, 56997), (6333, 49257), (11367, 27443), (16419, 18999)]