27681291

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 46496800

約数和(自身を除く): 18815509

約数列:

[1, 3, 9, 11, 27, 33, 37, 99, 111, 121, 229, 297, 333, 363, 407, 687, 999, 1089, 1221, 2061, 2519, 3267, 3663, 4477, 6183, 7557, 8473, 10989, 13431, 22671, 25419, 27709, 40293, 68013, 76257, 83127, 93203, 120879, 228771, 249381, 279609, 748143, 838827, 1025233, 2516481, 3075699, 9227097, 27681291]

約数ペア:

[(1, 27681291), (3, 9227097), (9, 3075699), (11, 2516481), (27, 1025233), (33, 838827), (37, 748143), (99, 279609), (111, 249381), (121, 228771), (229, 120879), (297, 93203), (333, 83127), (363, 76257), (407, 68013), (687, 40293), (999, 27709), (1089, 25419), (1221, 22671), (2061, 13431), (2519, 10989), (3267, 8473), (3663, 7557), (4477, 6183)]