201819495

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 354119040

約数和(自身を除く): 152299545

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 109, 137, 159, 255, 265, 327, 411, 545, 685, 795, 901, 1635, 1853, 2055, 2329, 2703, 4505, 5559, 5777, 6987, 7261, 9265, 11645, 13515, 14933, 17331, 21783, 27795, 28885, 34935, 36305, 44799, 74665, 86655, 98209, 108915, 123437, 223995, 253861, 294627, 370311, 491045, 617185, 761583, 791449, 1269305, 1473135, 1851555, 2374347, 3807915, 3957245, 11871735, 13454633, 40363899, 67273165, 201819495]

約数ペア:

[(1, 201819495), (3, 67273165), (5, 40363899), (15, 13454633), (17, 11871735), (51, 3957245), (53, 3807915), (85, 2374347), (109, 1851555), (137, 1473135), (159, 1269305), (255, 791449), (265, 761583), (327, 617185), (411, 491045), (545, 370311), (685, 294627), (795, 253861), (901, 223995), (1635, 123437), (1853, 108915), (2055, 98209), (2329, 86655), (2703, 74665), (4505, 44799), (5559, 36305), (5777, 34935), (6987, 28885), (7261, 27795), (9265, 21783), (11645, 17331), (13515, 14933)]