30725793

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 54

約数和(自身を含む): 54770274

約数和(自身を除く): 24044481

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 193, 361, 399, 441, 579, 931, 1083, 1197, 1351, 1737, 2527, 2793, 3249, 3667, 4053, 7581, 8379, 9457, 11001, 12159, 17689, 22743, 25669, 28371, 33003, 53067, 69673, 77007, 85113, 159201, 179683, 209019, 231021, 487711, 539049, 627057, 1463133, 1617147, 3413977, 4389399, 10241931, 30725793]

約数ペア:

[(1, 30725793), (3, 10241931), (7, 4389399), (9, 3413977), (19, 1617147), (21, 1463133), (49, 627057), (57, 539049), (63, 487711), (133, 231021), (147, 209019), (171, 179683), (193, 159201), (361, 85113), (399, 77007), (441, 69673), (579, 53067), (931, 33003), (1083, 28371), (1197, 25669), (1351, 22743), (1737, 17689), (2527, 12159), (2793, 11001), (3249, 9457), (3667, 8379), (4053, 7581)]