28367361

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:507

約数の個数: 48

約数和(自身を含む): 48731200

約数和(自身を除く): 20363839

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 171, 209, 297, 363, 457, 513, 627, 1089, 1371, 1881, 2299, 3267, 4113, 5027, 5643, 6897, 8683, 12339, 15081, 20691, 26049, 45243, 55297, 62073, 78147, 95513, 135729, 165891, 234441, 286539, 497673, 859617, 1050643, 1493019, 2578851, 3151929, 9455787, 28367361]

約数ペア:

[(1, 28367361), (3, 9455787), (9, 3151929), (11, 2578851), (19, 1493019), (27, 1050643), (33, 859617), (57, 497673), (99, 286539), (121, 234441), (171, 165891), (209, 135729), (297, 95513), (363, 78147), (457, 62073), (513, 55297), (627, 45243), (1089, 26049), (1371, 20691), (1881, 15081), (2299, 12339), (3267, 8683), (4113, 6897), (5027, 5643)]