75730257

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 123552000

約数和(自身を除く): 47821743

約数列:

[1, 3, 9, 17, 19, 51, 57, 109, 153, 171, 239, 323, 327, 717, 969, 981, 1853, 2071, 2151, 2907, 4063, 4541, 5559, 6213, 12189, 13623, 16677, 18639, 26051, 35207, 36567, 40869, 77197, 78153, 105621, 231591, 234459, 316863, 442867, 494969, 694773, 1328601, 1484907, 3985803, 4454721, 8414473, 25243419, 75730257]

約数ペア:

[(1, 75730257), (3, 25243419), (9, 8414473), (17, 4454721), (19, 3985803), (51, 1484907), (57, 1328601), (109, 694773), (153, 494969), (171, 442867), (239, 316863), (323, 234459), (327, 231591), (717, 105621), (969, 78153), (981, 77197), (1853, 40869), (2071, 36567), (2151, 35207), (2907, 26051), (4063, 18639), (4541, 16677), (5559, 13623), (6213, 12189)]