287972265

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1271

約数の個数: 96

約数和(自身を含む): 597870720

約数和(自身を除く): 309898455

約数列:

[1, 3, 5, 7, 15, 17, 19, 21, 35, 49, 51, 57, 85, 95, 105, 119, 133, 147, 245, 255, 285, 323, 357, 399, 595, 665, 735, 833, 931, 969, 1213, 1615, 1785, 1995, 2261, 2499, 2793, 3639, 4165, 4655, 4845, 6065, 6783, 8491, 11305, 12495, 13965, 15827, 18195, 20621, 23047, 25473, 33915, 42455, 47481, 59437, 61863, 69141, 79135, 103105, 115235, 127365, 144347, 161329, 178311, 237405, 297185, 309315, 345705, 391799, 433041, 483987, 721735, 806645, 891555, 1010429, 1129303, 1175397, 1958995, 2165205, 2419935, 2742593, 3031287, 3387909, 5052145, 5646515, 5876985, 8227779, 13712965, 15156435, 16939545, 19198151, 41138895, 57594453, 95990755, 287972265]

約数ペア:

[(1, 287972265), (3, 95990755), (5, 57594453), (7, 41138895), (15, 19198151), (17, 16939545), (19, 15156435), (21, 13712965), (35, 8227779), (49, 5876985), (51, 5646515), (57, 5052145), (85, 3387909), (95, 3031287), (105, 2742593), (119, 2419935), (133, 2165205), (147, 1958995), (245, 1175397), (255, 1129303), (285, 1010429), (323, 891555), (357, 806645), (399, 721735), (595, 483987), (665, 433041), (735, 391799), (833, 345705), (931, 309315), (969, 297185), (1213, 237405), (1615, 178311), (1785, 161329), (1995, 144347), (2261, 127365), (2499, 115235), (2793, 103105), (3639, 79135), (4165, 69141), (4655, 61863), (4845, 59437), (6065, 47481), (6783, 42455), (8491, 33915), (11305, 25473), (12495, 23047), (13965, 20621), (15827, 18195)]