288252363

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{809}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 474024960

約数和(自身を除く): 185772597

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 361, 399, 809, 893, 987, 1083, 2427, 2527, 2679, 5663, 6251, 7581, 15371, 16967, 16989, 18753, 38023, 46113, 50901, 107597, 114069, 118769, 266161, 292049, 322791, 356307, 722437, 798483, 876147, 2044343, 2167311, 5057059, 6133029, 13726303, 15171177, 41178909, 96084121, 288252363]

約数ペア:

[(1, 288252363), (3, 96084121), (7, 41178909), (19, 15171177), (21, 13726303), (47, 6133029), (57, 5057059), (133, 2167311), (141, 2044343), (329, 876147), (361, 798483), (399, 722437), (809, 356307), (893, 322791), (987, 292049), (1083, 266161), (2427, 118769), (2527, 114069), (2679, 107597), (5663, 50901), (6251, 46113), (7581, 38023), (15371, 18753), (16967, 16989)]