87905181

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 96

約数和(自身を含む): 161906688

約数和(自身を除く): 74001507

約数列:

[1, 3, 7, 13, 17, 21, 31, 39, 47, 51, 91, 93, 119, 141, 169, 217, 221, 273, 329, 357, 403, 507, 527, 611, 651, 663, 799, 987, 1183, 1209, 1457, 1547, 1581, 1833, 2397, 2821, 2873, 3549, 3689, 4277, 4371, 4641, 5239, 5593, 6851, 7943, 8463, 8619, 10199, 10387, 11067, 12831, 15717, 16779, 18941, 20111, 20553, 23829, 24769, 30597, 31161, 36673, 47957, 55601, 56823, 60333, 72709, 74307, 89063, 110019, 132587, 135031, 143871, 166803, 173383, 218127, 246233, 267189, 321997, 397761, 405093, 520149, 623441, 738699, 945217, 965991, 1723631, 1870323, 2253979, 2835651, 4185961, 5170893, 6761937, 12557883, 29301727, 87905181]

約数ペア:

[(1, 87905181), (3, 29301727), (7, 12557883), (13, 6761937), (17, 5170893), (21, 4185961), (31, 2835651), (39, 2253979), (47, 1870323), (51, 1723631), (91, 965991), (93, 945217), (119, 738699), (141, 623441), (169, 520149), (217, 405093), (221, 397761), (273, 321997), (329, 267189), (357, 246233), (403, 218127), (507, 173383), (527, 166803), (611, 143871), (651, 135031), (663, 132587), (799, 110019), (987, 89063), (1183, 74307), (1209, 72709), (1457, 60333), (1547, 56823), (1581, 55601), (1833, 47957), (2397, 36673), (2821, 31161), (2873, 30597), (3549, 24769), (3689, 23829), (4277, 20553), (4371, 20111), (4641, 18941), (5239, 16779), (5593, 15717), (6851, 12831), (7943, 11067), (8463, 10387), (8619, 10199)]