81250365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 158054400

約数和(自身を除く): 76804035

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 139, 285, 293, 399, 417, 665, 695, 879, 973, 1465, 1995, 2051, 2085, 2641, 2919, 4395, 4865, 5567, 6153, 7923, 10255, 13205, 14595, 16701, 18487, 27835, 30765, 38969, 39615, 40727, 55461, 83505, 92435, 116907, 122181, 194845, 203635, 277305, 285089, 584535, 610905, 773813, 855267, 1425445, 2321439, 3869065, 4276335, 5416691, 11607195, 16250073, 27083455, 81250365]

約数ペア:

[(1, 81250365), (3, 27083455), (5, 16250073), (7, 11607195), (15, 5416691), (19, 4276335), (21, 3869065), (35, 2321439), (57, 1425445), (95, 855267), (105, 773813), (133, 610905), (139, 584535), (285, 285089), (293, 277305), (399, 203635), (417, 194845), (665, 122181), (695, 116907), (879, 92435), (973, 83505), (1465, 55461), (1995, 40727), (2051, 39615), (2085, 38969), (2641, 30765), (2919, 27835), (4395, 18487), (4865, 16701), (5567, 14595), (6153, 13205), (7923, 10255)]