71936991

素因数分解:

$3^7\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 127631360

約数和(自身を除く): 55694369

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 127, 189, 243, 259, 333, 381, 567, 729, 777, 889, 999, 1143, 1701, 2187, 2331, 2667, 2997, 3429, 4699, 5103, 6993, 8001, 8991, 10287, 14097, 15309, 20979, 24003, 26973, 30861, 32893, 42291, 62937, 72009, 80919, 92583, 98679, 126873, 188811, 216027, 277749, 296037, 380619, 566433, 648081, 888111, 1141857, 1944243, 2664333, 3425571, 7992999, 10276713, 23978997, 71936991]

約数ペア:

[(1, 71936991), (3, 23978997), (7, 10276713), (9, 7992999), (21, 3425571), (27, 2664333), (37, 1944243), (63, 1141857), (81, 888111), (111, 648081), (127, 566433), (189, 380619), (243, 296037), (259, 277749), (333, 216027), (381, 188811), (567, 126873), (729, 98679), (777, 92583), (889, 80919), (999, 72009), (1143, 62937), (1701, 42291), (2187, 32893), (2331, 30861), (2667, 26973), (2997, 24003), (3429, 20979), (4699, 15309), (5103, 14097), (6993, 10287), (8001, 8991)]