28783755

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:119

約数の個数: 160

約数和(自身を含む): 70253568

約数和(自身を除く): 41469813

約数列:

[1, 3, 5, 7, 9, 11, 13, 15, 21, 27, 33, 35, 39, 45, 55, 63, 65, 71, 77, 81, 91, 99, 105, 117, 135, 143, 165, 189, 195, 213, 231, 273, 297, 315, 351, 355, 385, 405, 429, 455, 495, 497, 567, 585, 639, 693, 715, 781, 819, 891, 923, 945, 1001, 1053, 1065, 1155, 1287, 1365, 1485, 1491, 1755, 1917, 2079, 2145, 2343, 2457, 2485, 2769, 2835, 3003, 3195, 3465, 3861, 3905, 4095, 4455, 4473, 4615, 5005, 5265, 5467, 5751, 6237, 6435, 6461, 7029, 7371, 7455, 8307, 9009, 9585, 10153, 10395, 11583, 11715, 12285, 13419, 13845, 15015, 16401, 19305, 19383, 21087, 22365, 24921, 27027, 27335, 28755, 30459, 31185, 32305, 35145, 36855, 40257, 41535, 45045, 49203, 50765, 57915, 58149, 63261, 67095, 71071, 74763, 81081, 82005, 91377, 96915, 105435, 124605, 135135, 147609, 152295, 174447, 201285, 213213, 246015, 274131, 290745, 316305, 355355, 373815, 405405, 442827, 456885, 523341, 639639, 738045, 822393, 872235, 1066065, 1370655, 1918917, 2214135, 2616705, 3198195, 4111965, 5756751, 9594585, 28783755]

約数ペア:

[(1, 28783755), (3, 9594585), (5, 5756751), (7, 4111965), (9, 3198195), (11, 2616705), (13, 2214135), (15, 1918917), (21, 1370655), (27, 1066065), (33, 872235), (35, 822393), (39, 738045), (45, 639639), (55, 523341), (63, 456885), (65, 442827), (71, 405405), (77, 373815), (81, 355355), (91, 316305), (99, 290745), (105, 274131), (117, 246015), (135, 213213), (143, 201285), (165, 174447), (189, 152295), (195, 147609), (213, 135135), (231, 124605), (273, 105435), (297, 96915), (315, 91377), (351, 82005), (355, 81081), (385, 74763), (405, 71071), (429, 67095), (455, 63261), (495, 58149), (497, 57915), (567, 50765), (585, 49203), (639, 45045), (693, 41535), (715, 40257), (781, 36855), (819, 35145), (891, 32305), (923, 31185), (945, 30459), (1001, 28755), (1053, 27335), (1065, 27027), (1155, 24921), (1287, 22365), (1365, 21087), (1485, 19383), (1491, 19305), (1755, 16401), (1917, 15015), (2079, 13845), (2145, 13419), (2343, 12285), (2457, 11715), (2485, 11583), (2769, 10395), (2835, 10153), (3003, 9585), (3195, 9009), (3465, 8307), (3861, 7455), (3905, 7371), (4095, 7029), (4455, 6461), (4473, 6435), (4615, 6237), (5005, 5751), (5265, 5467)]