28892787

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:296

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 23638413

約数列:

[1, 3, 7, 11, 19, 21, 29, 33, 57, 77, 87, 133, 203, 209, 227, 231, 319, 399, 551, 609, 627, 681, 957, 1463, 1589, 1653, 2233, 2497, 3857, 4313, 4389, 4767, 6061, 6583, 6699, 7491, 11571, 12939, 17479, 18183, 19749, 30191, 42427, 46081, 47443, 52437, 72413, 90573, 125077, 127281, 138243, 142329, 217239, 332101, 375231, 506891, 875539, 996303, 1375847, 1520673, 2626617, 4127541, 9630929, 28892787]

約数ペア:

[(1, 28892787), (3, 9630929), (7, 4127541), (11, 2626617), (19, 1520673), (21, 1375847), (29, 996303), (33, 875539), (57, 506891), (77, 375231), (87, 332101), (133, 217239), (203, 142329), (209, 138243), (227, 127281), (231, 125077), (319, 90573), (399, 72413), (551, 52437), (609, 47443), (627, 46081), (681, 42427), (957, 30191), (1463, 19749), (1589, 18183), (1653, 17479), (2233, 12939), (2497, 11571), (3857, 7491), (4313, 6699), (4389, 6583), (4767, 6061)]