84050421

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 145248768

約数和(自身を除く): 61198347

約数列:

[1, 3, 7, 13, 21, 37, 39, 53, 91, 111, 157, 159, 259, 273, 371, 471, 481, 689, 777, 1099, 1113, 1443, 1961, 2041, 2067, 3297, 3367, 4823, 5809, 5883, 6123, 8321, 10101, 13727, 14287, 14469, 17427, 24963, 25493, 40663, 41181, 42861, 58247, 75517, 76479, 108173, 121989, 174741, 178451, 226551, 307877, 324519, 528619, 535353, 757211, 923631, 1585857, 2155139, 2271633, 4002401, 6465417, 12007203, 28016807, 84050421]

約数ペア:

[(1, 84050421), (3, 28016807), (7, 12007203), (13, 6465417), (21, 4002401), (37, 2271633), (39, 2155139), (53, 1585857), (91, 923631), (111, 757211), (157, 535353), (159, 528619), (259, 324519), (273, 307877), (371, 226551), (471, 178451), (481, 174741), (689, 121989), (777, 108173), (1099, 76479), (1113, 75517), (1443, 58247), (1961, 42861), (2041, 41181), (2067, 40663), (3297, 25493), (3367, 24963), (4823, 17427), (5809, 14469), (5883, 14287), (6123, 13727), (8321, 10101)]