31236471

素因数分解:

$3^2\times 7^2\times {\mathrm{193}}^1\times {\mathrm{367}}^1$

素因数の和:580

約数の個数: 36

約数和(自身を含む): 52901472

約数和(自身を除く): 21665001

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 193, 367, 441, 579, 1101, 1351, 1737, 2569, 3303, 4053, 7707, 9457, 12159, 17983, 23121, 28371, 53949, 70831, 85113, 161847, 212493, 495817, 637479, 1487451, 3470719, 4462353, 10412157, 31236471]

約数ペア:

[(1, 31236471), (3, 10412157), (7, 4462353), (9, 3470719), (21, 1487451), (49, 637479), (63, 495817), (147, 212493), (193, 161847), (367, 85113), (441, 70831), (579, 53949), (1101, 28371), (1351, 23121), (1737, 17983), (2569, 12159), (3303, 9457), (4053, 7707)]