27908397

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 47661120

約数和(自身を除く): 19752723

約数列:

[1, 3, 9, 11, 19, 33, 37, 57, 99, 111, 171, 209, 333, 401, 407, 627, 703, 1203, 1221, 1881, 2109, 3609, 3663, 4411, 6327, 7619, 7733, 13233, 14837, 22857, 23199, 39699, 44511, 68571, 69597, 83809, 133533, 163207, 251427, 281903, 489621, 754281, 845709, 1468863, 2537127, 3100933, 9302799, 27908397]

約数ペア:

[(1, 27908397), (3, 9302799), (9, 3100933), (11, 2537127), (19, 1468863), (33, 845709), (37, 754281), (57, 489621), (99, 281903), (111, 251427), (171, 163207), (209, 133533), (333, 83809), (401, 69597), (407, 68571), (627, 44511), (703, 39699), (1203, 23199), (1221, 22857), (1881, 14837), (2109, 13233), (3609, 7733), (3663, 7619), (4411, 6327)]